10 Vạn Câu Hỏi Vì Sao - Cơ Thể Người

["Tuy nhi\u00ean, ph\u1ea7n d\u01b0\u1edbi c\u00f9ng c\u1ee7a l\u1edbp bi\u1ec3u b\u00ec t\u1ee9c l\u00e0 sinh t\u1ea7ng (assise generatrice) th\u00ec l\u1ea1i r\u00e2t s\u00f4\\\"ng \u0111\u1ed9ng. C\u00f4ng vi\u1ec7c c\u1ee7a n\u00f3 l\u00e0 s\u1ea3n xu\u00e2t kh\u00f4ng ng\u1eebng ra c\u00e1c t\u1ebf b\u00e0o m\u1edbi. L\u1edbp t\u1ebf b\u00e0o m\u1edbi sinh n\u00e0y s\u1ebd \u0111\u1ea9y t\u1ebf b\u00e0o m\u1eb9 (t\u1ebf b\u00e0o gi\u00e0) l\u00ean ph\u00eda tr\u00ean. Khi b\u1ecb t\u00e1ch kh\u1ecfi ngu\u1ed3n th\u1ef1c ph\u1ea9m, c\u00e1c t\u1ebf b\u00e0o m\u1eb9 b\u1ecb ch\u1ebft v\u00e0 tr\u1edf th\u00e0nh ch\u00e2t s\u1eebng. H\u00e0ng ng\u00e0y, c\u00f3 h\u00e0ng t\u1ec9 t\u1ebf b\u00e0o s\u1eebng l\u1edbn tr\u00ean b\u1ecb ch\u1ebft v\u00e0 b\u1ecb tr\u00f3c ra. Nh\u01b0ng may thay l\u1ea1i c\u0169ng c\u00f3 h\u00e0ng t\u1ec9 t\u1ebf b\u00e0o m\u1edbi sinh ra \u0111\u1ec3 thay th\u1ebf. N\u1ebfu t\u1ebf b\u00e0o s\u1eebng kh\u00f4ng ch\u1ecbu tr\u00f3c ra th\u00ec l\u00e2u ng\u00e0y ch\u1eafc c\u01a1 th\u1ec3 ta b\u1ecb bao b\u1eb1ng m\u1ed9t l\u1edbp s\u1eebng c\u1ee9ng ng\u1eafc, ta kh\u00f4ng c\u01b0\u1eddi, n\u00f3i, m\u1edf m\u1eaft, nh\u1eafm m\u1eaft v\u00e0 c\u1eed \u0111\u1ed9ng tay ch\u00e2n \u0111\u01b0\u1ee3c. Nli\u01b0ng n\u1ebfu tr\u00f3c ra m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c thay th\u1ebf th\u00ec l\u1edbp da s\u1ebd kh\u00f4ng c\u00f2n l\u1edbp s\u1eebng \u0111\u1ec3 b\u1ea3o v\u1ec7 n\u1eefa, th\u00e2n th\u1ec3 ta s\u1ebd b\u1ecb th\u01b0\u01a1ng t\u1ed5n n\u1eb7ng. Ch\u00ednh nh\u1edd qu\u00e1 tr\u00ecnh ch\u1ebft, h\u00f3a s\u1eebng bong ra, \u0111\u01b0\u1ee3c thay th\u1ebf m\u00e0 da c\u1ee7a ta lu\u00f4n lu\u00f4n \\\"tr\u1ebb\\\" v\u00e0 \\\"t\u01b0\u01a1i\\\". C\u00f3 t\u1edbi 30 l\u1edbp t\u1ebf b\u00e0o s\u1eebng tr\u00ean da. D\u00f9 b\u1ea1n c\u00f3 \u1edf s\u1ea1ch s\u1ebd m\u00e2\\\"y \u0111i ch\u0103ng n\u1eefa, c\u1ee9 c\u00e1ch ng\u00e0y b\u1ea1n t\u1eafm, k\u1ef3 c\u1ecd tr\u00ean da, b\u1ea1n v\u1eabn th\u00e2y c\u00f3 c\u00e1u gh\u00e9t. \u0110\u00f3 ch\u00ednh l\u00e0 m\u1ed9t ph\u1ea7n t\u1ebf b\u00e0o s\u1eebng b\u1ecb bong (tr\u00f3c) ra. Da c\u1ee7a ch\u00fang la d\u00f9ng \u00e3\u1ec3 l\u00e0m g\u00ec? Da bao ph\u1ee7 to\u00e0n b\u1ed9 c\u01a1 th\u1ec3 c\u1ee7a ch\u00fang ta ngo\u1ea1i tr\u1eeb hai m\u1eaft. N\u00f3 t\u1ea1o ra m\u1ed9t r\u00e0o c\u1ea3n ch\u00f4ng l\u1ea1i c\u00e1c vi 152 0 https:\/\/thuviensach.vn","sinh v\u1eadt v\u00e0 b\u1ea3o v\u1ec7 cho ch\u00fang ta kh\u1ecfi nh\u1eefng th\u01b0\u01a1ng t\u00edch nh\u1ecf. Da kh\u00f4ng th\u00e2m n\u01b0\u1edbc, da gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 c\u1ee7a ch\u00fang ta. Khi ch\u00fang ta c\u1ea3m th\u00e2y n\u00f3ng, da thay \u0111\u1ed5i m\u00e0u v\u00ec c\u00e1c mao qu\u1ea3n nh\u1ecf li ti trong da gi\u1ea3n ra v\u00e0 nhi\u1ec7t \u0111\u01b0\u1ee3c th\u1ea3i ra t\u1eeb m\u00e1u. Da c\u0169ng gi\u00fap gi\u1eef nhi\u1ec7t \u0111\u1ed9 cho c\u01a1 th\u1ec3 trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh b\u1eb1ng c\u00e1ch co h\u1eb9p c\u00e1c m\u1ea1ch m\u00e1u trong da. Da kh\u00f4ng th\u1ea5m n\u01b0\u1edbc, n\u00f3 ng\u0103n ch\u1eb7n \u0111\u1ed9 \u1ea9m tho\u00e1t ra t\u1eeb c\u01a1 th\u1ec3. M\u1eb7c d\u00f9, ch\u00fang ta \u0111\u1ed5 m\u1ed3 h\u00f4i trong nh\u1eefng ng\u00e0y h\u00e8, \u0111i\u1ec1u n\u00e0y l\u00e0 c\u00f3 \u00edch v\u00ec n\u00f3 l\u00e0m m\u00e1t c\u01a1 th\u1ec3. Da c\u00f3 ch\u1ee9a nhi\u1ec1u d\u1ea7u v\u00e0 nhi\u1ec1u th\u1ee5 th\u1ec3 th\u1ea7n kinh, gi\u00fap ch\u00fang ta c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c l\u1ea1nh n\u00f3ng, x\u00fac gi\u00e1c v\u00e0 \u0111au. T\u1ea1i scw ch\u00fang ta t\u1ee5i tm\u00ean ti\u1ec3u? N\u01b0\u1edbc ti\u1ec3u sau khi \u0111\u01b0\u1ee3c th\u1eadn ch\u1ebf t\u1ea1o nh\u1edd \u00f4ng d\u1eabn ni\u1ec7u t\u1eeb t\u1eeb \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o h\u1ed3 n\u01b0\u1edbc b\u1ea9n - b\u00e0ng quang t\u1ea1m th\u1eddi c\u1ea5t gi\u1eef. C\u00e1i h\u1ed3 n\u01b0\u1edbc b\u1ea9n - b\u00e0ng quang n\u00e0y, n\u1eb1m trong khoang ch\u1eadu, ph\u00eda d\u01b0\u1edbi khoang b\u1ee5ng. Th\u00e0nh b\u00e0ng quang t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0y, ch\u1ee7 y\u1ebfu do c\u01a1 ph\u1eb3ng c\u1ea5u th\u00e0nh, cho n\u00ean t\u00ednh \u0111\u00e0n h\u1ed3i cao. N\u00f3 c\u00f3 th\u1ec3 t\u1ea1m th\u1eddi c\u1ea5t gi\u1eef 350 - 500 ml n\u01b0\u1edbc ti\u1ec3u. Khi \u0111\u00e3 ch\u1ee9a C\u01a1 th\u1ec3hnttpgs\u01b0:\u1edd\/\/tihuv1ie5ns3ach.vn","\u0111\u1ea7y n\u01b0\u1edbc ti\u1ec3u, h\u00ecnh d\u00e1ng c\u1ee7a b\u00e0ng quang gi\u1ed1ng nh\u01b0 na\u1ed9t qu\u1ea3 \u0111\u00e0o l\u1ed9n ng\u01b0\u1ee3c, \u0111\u1ea7u nh\u1ecdn h\u01b0\u1edbng l\u00ean, cu\u1ed1ng ch\u00fac xu\u1ed1ng. Ph\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi cu\u1ed1ng c\u1ee7a qu\u1ea3 \u0111\u00e0o l\u00e0 c\u1eeda ni\u1ec7u \u0111\u1ea1o, g\u1ecdi l\u00e0 c\u1edd th\u1eaft ni\u1ec7u \u0111\u1ea1o, b\u00ecnh th\u01b0\u1eddng c\u01a1 th\u1eaft ni\u1ec7u \u0111\u1ea1o co l\u1ea1i, khi\u1ebfn cho c\u1eeda ni\u1ec7u \u0111\u1ea1o \u0111\u00f3ng ch\u1eb7t, ng\u0103n ch\u1eb7n kh\u00f4ng cho n\u01b0\u1edbc ti\u1ec3u d\u1ef1 tr\u1eef trong b\u00e0ng quang c\u00f3 th\u1ec3 tu\u1ef3 ti\u1ec7n tho\u00e1t ra ngo\u00e0i. T\u00ednh \u0111\u00e0n h\u1ed3i c\u1ee7a b\u00e0ng quang c\u00f3 h\u1ea1n \u0111\u1ed9 nh\u00e2d \u0111\u1ecbnh. Khi n\u01b0\u1edbc ti\u1ec3u \u0111\u01b0\u1ee3c d\u1ef1 tr\u1eef t\u1edbi m\u1ed9t l\u01b0\u1ee3ng nh\u00e2d \u0111\u1ecbnh, th\u00e0nh b\u00e0ng quang nh\u1eadn \u0111\u01b0\u1ee3c k\u00edch th\u00edch c\u1ee7a \u00e1p l\u1ef1c n\u01b0\u1edbc ti\u1ec3u, th\u00f4ng qua \u0111i\u1ec1u khi\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ea7n kinh, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u00e1c d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a \u0111\u1ea1i n\u00e3o, sinh ra c\u1ea3m gi\u00e1c mu\u1ed1n \u0111i ti\u1ec3u, \u0111\u1ea1i n\u00e3o h\u1ea1 l\u1ec7nh m\u1edf c\u1eeda ni\u1ec7u \u0111\u1ea1o - c\u01a1 th\u1eaft co l\u1ea1i, khi\u1ebfn cho c\u1eeda ni\u1ec7u \u0111\u1ea1o c\u00e0ng \u0111\u00f3ng ch\u1eb7t h\u01a1n. \u0110\u1ea1i n\u00e3o l\u1ea1i ra l\u1ec7nh cho c\u01a1 b\u00e0ng quang co m\u1ea1nh, c\u01a1 th\u1eaft c\u1ee7a ni\u1ec7u \u0111\u1ea1o gi\u00e3n ra, c\u1eeda c\u1ed1ng m\u1edf ra, l\u00fac n\u00e0y c\u01a1 b\u1ee5ng c\u1ee7ng g\u00f3p s\u1ee9c co l\u1ea1i, n\u01b0\u1edbc ti\u1ec3u trong b\u00e0ng quan d\u01b0\u1edbi \u00e1p l\u1ef1c l\u1edbn nh\u01b0 th\u1ebf, th\u00f4ng qua ni\u1ec7u \u0111\u1ea1o c\u1ee9 th\u1ebf m\u00e0 tu\u00f4n ra. C\u00e2u t\u1ea1c c\u1ee7a l\u00f4ng t\u00f3c nh\u01b0 th\u1ec3 nao? L\u00f4ng t\u00f3c ph\u00e1t tri\u1ec3n trong m\u1ed9t nang l\u00f4ng. Ph\u1ea7n l\u00f4ng t\u00f3c tr\u00ean da g\u1ed3m ba l\u1edbp: l\u1edbp bi\u1ec3u b\u00ec b\u00ean ngo\u00e0i, 154 https:\/\/thuviensach.vn","l\u1edbp v\u1ecf l\u00e0 ph\u1ea7n t\u00f3c ch\u00ednh c\u00f3 ch\u1ee9a c\u00e1c s\u1eafc t\u1ed1 n\u00ean t\u00f3c s\u1ebd c\u00f3 m\u00e0u, v\u00e0 l\u1edbp t\u1ef7 \u1edf gi\u1eefa c\u00f3 th\u1ec3 s\u00f4ng. Th\u00e2n t\u00f3c, l\u00f4ng \u1edf d\u01b0\u1edbi b\u1ec1 m\u1eb7t da c\u00f3 ph\u1ea7n \u0111\u00e1y ph\u1ed3ng l\u00ean t\u1ea1o th\u00e0nh m\u1ed9t h\u00e0ng c\u00f3 ch\u1ee9a m\u1ed9t kh\u00f4'i t\u1ebf b\u00e0o \u0111ang ph\u00e2n chia. Khi \u0111\u00e3 t\u1ea1o th\u00e0nh c\u00e1c t\u1ebf b\u00e0o m\u1edbi, c\u00e1c t\u1ebf b\u00e0o gi\u00e0 h\u01a1n b\u1ecb \u0111\u1ea9y l\u00ean tr\u00ean v\u00e0 \u0111\u01b0\u1ee3c k\u00earatin h\u00f3a \u0111\u1ec3 t\u1ea1o th\u00e0nh ch\u00e2n v\u00e0 th\u00e2n l\u00f4ng, t\u00f3c. L\u00f4ng, t\u00f3c c\u00f3 th\u1ec3 d\u1ef1ng l\u00ean v\u00ec c\u00f3 m\u1ed9t c\u01a1 c\u1ee9ng nh\u1ecf \u1edd trong b\u00ec b\u00e1m v\u00e0o nang l\u00f4ng. X\u01b0\u01a1ng n\u1ee9c l\u00e2n nh\u0103t tr\u01a1ng c\u01a1 tfi\u00e9 ch\u00fang ta? X\u01b0\u01a1ng \u0111\u00f9i hay x\u01b0\u01a1ng b\u1eafp ch\u00e2n l\u00e0 x\u01b0\u01a1ng l\u1edbn nh\u00e2t trong c\u01a1 th\u1ec3 c\u1ee7a ch\u00fang ta, \u0111\u00f3 c\u0169ng l\u00e0 x\u01b0\u01a1ng m\u1ea1nh nh\u00e2T trong c\u01a1 th\u1ec3. X\u01b0\u01a1ng \u0111\u00f9i chi\u1ebfm 1\/3 chi\u1ec1u cao c\u1ee7a c\u01a1 th\u1ec3. M\u1ed9t ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng cao ImS c\u00f3 x\u01b0\u01a1ng \u0111\u00f9i kho\u1ea3ng 0. 5m. C\u01a1 th\u1ec3 hntgtp\u01b0s\u1edd:\/i\/thuv1ie5n5sach.vn","X\u01b0\u01a1ng \u0111\u00f9i n\u1ed1\\\"! khung ch\u1eadu \u1edf ph\u1ea7n tr\u00ean v\u1edbi hai x\u01b0\u01a1ng g\u1ecdi l\u00e0 x\u01b0\u01a1ng ch\u00e0y v\u00e0 x\u01b0\u01a1ng m\u00e1c \u1edd d\u01b0\u1edbi. Xt\u00edongc\u1ee5t l\u00e0 g\u00ec? X\u01b0\u01a1ng c\u1ee5t l\u00e0 ph\u1ea7n cu\u1ed1i c\u00f9ng c\u1ee7a c\u1ed9t s\u00f4ng con ng\u01b0\u1eddi v\u00e0 g\u1ed3m b\u00f4n \u0111\u1ed1t s\u1ed1ng nh\u1ecf gi\u1ed1ng nh\u01b0 x\u01b0\u01a1ng v\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u01b0 \u0111u\u00f4i \u1edf c\u00e1c \u0111\u1ed9ng v\u1eadt b\u1eadc th\u00e2\\\"p. C\u00e1c x\u01b0\u01a1ng n\u00e0y \u0111\u01b0\u1ee3c v\u00f9i trong m\u00f4 c\u01a1, nh\u01b0ng \u0111\u00f4i khi ch\u00fang cong ng\u01b0\u1ee3c ra sau v\u00e0 \u0111\u01b0\u1ee3c bao quanh b\u1edfi m\u1ed9t l\u1edbp da gi\u1ed1ng nh\u01b0 \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t c\u00e1i \u0111u\u00f4i th\u1eadt s\u1ef1. T\u00ean g\u1ecdi x\u01b0\u01a1ng c\u1ee5t (coccyx) \u0111\u01b0\u1ee3c nh\u00e0 sinh l\u00fd h\u1ecdc ng\u01b0\u1eddi Hy L\u1ea1p l\u00e0 Galen (130 - 200 tr\u01b0\u1edbc c\u00f4ng nguy\u00ean) \u0111\u1eb7t ra v\u00e0 c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb ti\u1ebfng Hy L\u1ea1p c\u00f3 ngh\u0129a l\u00e0 chim cuckoo, v\u00ec x\u01b0\u01a1ng n\u00e0y \u00edt nhi\u1ec1u gi\u1ed1ng c\u00e1i m\u1ecf c\u1ee7a chim cuckoo. V\u00ecS(Wm\u1ee9u \u0111\u1ee1ng? S\u1ef1 ch\u1ea3y m\u00e1u xu\u1ea5t hi\u1ec7n khi da b\u1ecb t\u1ed5n th\u01b0\u01a1ng v\u00e0 c\u00e1c m\u1ea1ch m\u00e1u g\u1ea7n b\u1ec1 m\u1eb7t b\u1ecb \u0111\u1ee9t. S\u1ef1 ch\u1ea3y m\u00e1u kh\u00f4ng th\u1ec3 ti\u1ebfp t\u1ee5c l\u00e2u v\u00ec m\u00e1u c\u1ee7a ch\u00fang ta c\u00f3 ch\u1ee9a nh\u1eefng ch\u1ea5t \u0111\u1eb7c bi\u1ec7t, t\u1ea1o th\u00e0nh m\u1ed9t c\u1ee5c m\u00e1u \u0111\u00f4ng \u0111\u1ec3 l\u00e0m c\u1ea1n v\u00e0 ng\u0103n c\u1ea3n d\u00f2ng ch\u1ea3y c\u1ee7a m\u00e1u. 156 https:\/\/thuviensach.vn","M\u1ed9t enzyme \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thrombin c\u00f3 trong m\u00e1u, kh\u01a1i m\u00e0u trong qu\u00e1 tr\u00ecnh t\u1ea1o c\u1ee5c m\u00e1u \u0111\u00f4ng. \u0110i\u1ec1u n\u00e0y t\u00e1c \u0111\u1ed9ng l\u00ean tr\u00ean m\u1ed9t pr\u00f4tein \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u00edibringen v\u00e0 l\u00e0m thay \u0111\u1ed5i pr\u00f4tein th\u00e0nh \u00edibrin- gen v\u00e0 c\u00e1c t\u1ebf b\u00e0o m\u00e1u, ch\u1ec9 c\u00f3 huy\u1ebft t\u01b0\u01a1ng kh\u00f4ng m\u00e0u c\u1ee7a m\u00e1u \u0111i qua \u0111\u01b0\u1ee3c n\u00f3. C\u1ee5c m\u00e1u \u0111\u00f4ng t\u1ea1o ra m\u1ed9t l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 b\u00ean tr\u00ean v\u1ebft thi\u00ed\u01a1ng. C\u01a1\u1ee3uan n\u00e1o n\u1eb1\u1eadn \u0111\u01b0\u1ee3c nhi\u00eau m\u1ee9u nh\u1eaft? Hai qu\u1ea3 th\u1eadn nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u m\u00e1u nh\u1ea9\\\"t so v\u1edbi c\u00e1c c\u01a1 quan kh\u00e1c trong c\u01a1 th\u1ec3. Th\u1eadn th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c quan tr\u1ecdng l\u00e0 l\u1ecdc m\u00e1u v\u00e0 l\u00e0m s\u1ea1ch c\u00e1c ch\u1ea5t th\u1ea3i kh\u1ecfi m\u00e1u. Nh\u01b0ng khi ch\u00fang ta v\u1eadn \u0111\u1ed9ng nhi\u1ec1u, c\u00e1c c\u01a1 c\u1ea7n nhi\u1ec1u m\u00e1u h\u01a1n. Trong th\u1ef1c t\u1ebf, c\u01a1 th\u1ec3 cung c\u00e2\\\"p m\u00e1u cho c\u00e1c c\u01a1 nhi\u1ec1u g\u1ea5p n\u0103m l\u1ea7n so v\u1edbi trong khi c\u01a1 th\u1ec3 \u1edf tr\u1ea1ng th\u00e1i ngh\u1ec9. M\u00e1u \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ebfn c\u00e1c c\u01a1 quan kh\u00e1c \u0111\u1ec3 ti\u1ebfp cho c\u00e1c c\u01a1, ch\u1ec9 c\u00f3 m\u00e1u cung c\u1ea5p cho n\u00e3o l\u00e0 lu\u00f4n lu\u00f4n kh\u00f4ng \u0111\u1ed5i. V\u00ecsac mi\u1ec7ng c\u1ee7a ch\u00fang ta ti\u1ebft ra n\u01b0\u1edbc? Khi ch\u00fang ta c\u1ea3m th\u1ea5y \u0111\u00f3i v\u00e0 nh\u00ecn th\u1ea5y th\u1ef1c ph\u1ea9m, m\u1ed9t ch\u1ea5t l\u1ecfng l\u00e0 n\u01b0\u1edbc b\u1ecdt ch\u1ea3y ra kh\u1ecfi c\u00e1c tuy\u1ebfn n\u01b0\u1edbc C\u01a1 th\u1ec3hnttgp\u01b0s:\u1edd\/\/ithuv1ie5n7sach.vn","b\u1ecdt trong mi\u1ec7ng. N\u01b0\u1edbc b\u1ecdt gi\u00fap cho vi\u1ec7c nhai th\u1ee9c \u0103n d\u1ec5 d\u00e0ng h\u01a1n b\u1eb1ng c\u00e1ch l\u00e0m \u1ea9m th\u1ef1c ph\u1ea9m. N\u01b0\u1edbc b\u1ecdt c\u0169ng c\u00f3 ch\u1ee9a c\u00e1c h\u00f3a ch\u00e2d g\u1ecdi l\u00e0 c\u00e1c enzyme \u0111\u1ec3 b\u1eaft \u0111\u1ea7u ph\u00e2n c\u00e1ch th\u1ee9c \u0103n th\u00e0nh m\u1ed9t trong ba lo\u1ea1i d\u01b0\u1ee1ng ch\u1ea5t m\u00e0 c\u01a1 th\u1ec3 ch\u00fang ta c\u1ea7n, \u0111\u00f3 l\u00e0 carbohydrate, pr\u00f4t\u00eain v\u00e0 ch\u1eab\\\"t b\u00e9o, do \u0111\u00f3 vi\u1ec7c ti\u00eau ho\u00e1 th\u1eadt s\u1ef1 b\u1eaft \u0111\u1ea7u \u1edf mi\u1ec7ng c\u1ee7a ch\u00fang ta. C\u1ed9tsong am c\u0111u t\u1ea1c nh\u01b0 th\u1ec3n\u00f9c? C\u1ed9t s\u1ed1ng \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb ba ki\u1ec3u \u0111\u1ed1t x\u01b0\u01a1ng s\u1ed1ng ch\u00ednh, m\u1ed7i ki\u1ec3u c\u00f3 m\u1ed9t h\u00ecnh d\u1ea1ng kh\u00e1c nhau: c\u00e1c \u0111\u1ed1t s\u1ed1ng c\u1ed5 trong c\u1ed5, c\u00e1c \u0111\u00f4d s\u1ed1ng l\u01b0ng trong l\u01b0ng v\u00e0 c\u00e1c \u0111\u1ed1t s\u1ed1ng th\u1eaft l\u01b0ng \u1edf ph\u1ea7n d\u01b0\u1edbi c\u1ee7a l\u01b0ng. X\u01b0\u01a1ng c\u00f9ng v\u00e0 x\u01b0\u01a1ng c\u1ee5t c\u1ea3 hai \u0111\u1ec1u do r\u1ee9ii\u1ec1u \u0111\u1ed1t s\u1ed1ng d\u00ednh li\u1ec1n l\u1ea1i h\u1ee2p th\u00e0nh. Nh\u1eefng \u0111\u0129a s\u1ee5n t\u1ea1o th\u00e0nh m\u1ed9t g\u00f4l \u0111\u1ec7m gi\u1eefa c\u00e1c th\u00e0r\u1ee7\u00ec ph\u1ea7n kh\u00e1c nhau c\u1ee7a c\u1ed9t s\u1ed1ng v\u00e0 l\u00e0m gi\u1ea3m c\u00e1c l\u1ef1c n\u00e9n \u00e9p. V\u00ecsac ng\u01b0\u1eddi ng\u0103xu\u00e2ngB\u1ec9\u1ec3n Ch\u1ebft hh\u00f9ngch\u00ecm? B\u01a1i l\u1ed9i trong Bi\u1ec3n Ch\u1ebft b\u1ea1n \u0111\u1eebng bao gi\u1edd lo ch\u1ebft \u0111u\u00f4\\\"i, b\u1edfi v\u00ec h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i trong n\u01b0\u1edbc bi\u1ec3n \u1edf \u0111\u00e2y cao t\u1edbi 270 ph\u1ea7n ngh\u00ecn. T\u1ef7 tr\u1ecdng n\u01b0\u1edbc bi\u1ec3n 158 0 https:\/\/thuviensach.vn","c\u00f2n l\u1edbn h\u01a1n c\u1ea3 t\u1ef7 tr\u1ecdng ng\u01b0\u1eddi b\u1ea1n. V\u00ec th\u1ebf ta c\u00f3 th\u1ec3 n\u1ed5i tr\u00ean bi\u1ec3n nh\u01b0 m\u1ed9t t\u00e2m go. Xem b\u1ea3n \u0111\u1ed3 ra ch\u00fang ta s\u1ebd th\u1ea5y Bi\u1ec3n Ch\u1ebft n\u1eb1m \u1edf v\u00f9ng bi\u00ean gi\u1edbi ph\u00eda T\u00e2y c\u1ee7a Jordan, l\u00e0 chi\u1ebfc h\u1ed3 th\u00e2p nh\u00e2d th\u1ebf gi\u1edbi, l\u1ecdt th\u1ecfm trong v\u00f9ng c\u00f3 \u0111\u1ecba h\u00ecnh xung quanh t\u01b0\u01a1ng \u0111\u1ed1i cao. Th\u1ef1c ra, Bi\u1ec3n Ch\u1ebft kh\u00f4ng ph\u1ea3i l\u00e0 bi\u1ec3n th\u1ef1c s\u1ef1 m\u00e0 ch\u1ec9 l\u00e0 m\u1ed9t c\u00e1i h\u1ed3 kh\u00f4ng c\u00f3 l\u1ed1i ra. Chung quanh c\u00e1c s\u00f4ng ch\u1ea3y v\u00e0o Bi\u1ec3n Ch\u1ebft ph\u1ea7n l\u1edbn l\u00e0 sa m\u1ea1c v\u00e0 nham th\u1ea1ch \u0111\u00e1 v\u00f4i. C\u00e1c t\u1ea7ng nham th\u1ea1ch \u0111\u00f3 c\u00f3 ch\u1ee9a r\u1ea5t nhi\u1ec1u mu\u1ed1i kho\u00e1ng. V\u00ec th\u1ebf, n\u01b0\u1edbc s\u00f4ng ch\u1ea3y v\u00e0o Bi\u1ec3n Ch\u1ebft \u0111\u1ec1u c\u00f3 h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i r\u00e2d cao, kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng ra n\u00ean nh\u1eefng kho\u00e1ng ch\u00e2d n\u00e0y \u0111\u1ec1u b\u1ecb gi\u1eef l\u1ea1i to\u00e0n b\u1ed9. \u0110\u1ed3ng th\u1eddi, Jordan l\u1ea1i l\u00e0 v\u00f9ng hanh kh\u00f4, \u00edt m\u01b0a. M\u1eb7t Tr\u1eddi gay g\u1eaft kh\u00f4ng ng\u1eebng l\u00e0m cho n\u01b0\u1edbc trong c\u00e1i \\\"v\u0169ng\\\" k\u1ee9\u00ec n\u00e0y b\u1ed1c h\u01a1i r\u1ea5t m\u1ea1nh. - TCtI \u00cc c . ' \u2014 \u2018 ^ C\u01a1 th\u1ec3hnttgp\u01b0s\u1edd:\/\/ithuv1ie5n9sach.vn","Trong khi \u0111\u00f3, m\u1ed9t ngu\u1ed3n n\u01b0\u1edbc ch\u00ednh c\u1ee7a Bi\u1ec3n - s\u00f4ng Jordan, l\u1ea1i b\u1ecb r\u00fat b\u1edbt d\u00e1ng k\u1ec3 \u0111\u1ec3 ph\u1ee5c v\u1ee5 t\u01b0\u1edfi ti\u00eau. Th\u1eddi gian t\u00edch l\u1ea1i, h\u00e0m l\u01b0\u1ee3ng mu\u00f4i trong bi\u1ebfn ng\u00e0y c\u00e0ng nhi\u1ec1u, ng\u00e0y c\u00e0ng \u0111\u1eadm \u0111\u1eb7c. K\u1ebft qu\u1ea3 l\u00e0 trong thu\u1ef7 v\u1ef1c n\u00e0y, tr\u1eeb m\u1ed9t v\u00e0i vi khu\u1ea9n, kh\u00f4ng c\u00f3 sinh v\u1eadt n\u00e0o t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c. \u0110i\u00eaug\u00ec di\u00ean ra H\u00e0i la ng\u1ee9a da? C\u1ea3m gi\u00e1c ng\u1ee9a da xu\u00e2d hi\u1ec7n khi da b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi m\u1ed9t va ch\u1ea1m \u1edf m\u1ee9c v\u00e0i micr\u00f4n. C\u1ea3m gi\u00e1c n\u00e0y xu\u00e2t hi\u1ec7n nh\u01b0 m\u1ed9t c\u00e1ch t\u1ef1 v\u1ec7 tr\u01b0\u1edbc nh\u1eefng ch\u00e2m ch\u00edch c\u1ee7a mu\u1ed7i hay nh\u1eefng c\u00f4n tr\u00f9ng kh\u00e1c. C\u1ea3m gi\u00e1c ng\u1ee9a s\u1ebd bu\u1ed9c ta ph\u1ea3i g\u00e3i ngay l\u1eadp t\u1ee9c v\u00ec \u0111\u00e2y l\u00e0 c\u00e1ch ph\u1ea3n \u1ee9ng nhanh nh\u1ea5t \u0111\u1ec3 gi\u1ebft con mu\u1ed7i c\u00f3 th\u1ec3 khi\u1ebfn ta b\u1ecb s\u00f4t d\u1ecbch. H\u1ec9iih\u00e1t\u1ea7 \u00edW\u1ecb cmng\u01b0\u0169\u1ec9ta c\u00f3 Ih\u00eab\u1ecb n\u1ec2tung ra HMng? Kh\u00f4ng, v\u00ec nhi\u1ec1u nguy\u00ean nh\u00e2n. Th\u00ed d\u1ee5, c\u00e1c b\u1ed9 ph\u1eadn cc\u00ed th\u1ec3 trong m\u0169i v\u00e0 h\u1ecdng, li\u00ean quan t\u1edbi vi\u1ec7c h\u1eaft x\u00ec h\u01a1i, kh\u00f4ng li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi nh\u1eefng b\u1ed9 ph\u1eadn n\u1eb1m \u1edf sau con ng\u01b0\u01a1i trong m\u1eaft ng\u01b0\u1eddi. V\u00ec th\u1ebf, ch\u00fang kh\u00f4ng th\u1ec3 t\u1ea1o ra \u00e1p su\u00e2T \u0111\u1ea9y con ng\u01b0\u01a1i ra ngo\u00e0i h\u1ed1c m\u1eaft. 1 6 0 https:\/\/thuviensach.vn","C\u00f3th\u1ef1c t\u00e0 nh\u1eefng ng\u01b0\u1eddi thu\u1eadn tag tr\u00e1i c\u00f3 i\u01b0chtg \u0111\u1ed9c OcU)hcn hh\u00f5ng? Kh\u00f4ng, c\u00e1c nghi\u00ean c\u1ee9u kh\u00f4ng ch\u1ee9ng minh \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y. Kh\u00f4ng c\u00f3 b\u1eb1ng ch\u1ee9ng v\u1ec1 vi\u1ec7c nh\u1eefng ng\u01b0\u1eddi thu\u1eadn tay tr\u00e1i c\u00f3 kh\u1ea3 n\u0103ng s\u00e1ng t\u1ea1o l\u1edbn h\u01a1n nh\u1eefng ng\u01b0\u1eddi thu\u1eadn tay ph\u1ea3i \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ec5 t\u00ecm th\u00e2y nh\u1eefng c\u00e1ch gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u0111\u1ed9c \u0111\u00e1o v\u00e0 b\u1ea5t ng\u1edd h\u01a1n. V\u00ecsao hai anh em sinh \u0111\u1ed3i l\u1ea1i c\u00f3 v\u0103n lay h\u1ec9\u01b0k nhau? D\u00f9 hai anh em sinh \u0111\u00f4i c\u00f3 chung ADN nh\u01b0ng nhi\u1ec1u t\u1ebf b\u00e0o c\u1ee7a h\u1ecd kh\u00f4ng tr\u00f9ng kh\u00edt nhau. Ngo\u1ea1i h\u00ecnh c\u1ee7a con ng\u01b0\u1eddi kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi gen. D\u00e2\\\"u v\u00e2n tay ph\u00e1t tri\u1ec3n khi b\u00e0o thai c\u00f2n \u1edf trong d\u1ea1 con. \u1ea2nh h\u01b0\u1edfng t\u1edbi s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a v\u00e2n tay c\u00f2n c\u00f3 nhi\u1ec1u dao \u0111\u1ed9ng t\u00ecnh c\u1edd \u1edf ho\u00f3c m\u00f4n. C\u0169ng v\u00ec l\u00fd do n\u00e0y n\u00ean anh em sinh \u0111\u00f4i c\u00f3 th\u1ec3 c\u00f3 nh\u1eefng v\u1ebft t\u00e0n nhang hay n\u1ed1t ru\u1ed3i kh\u00e1c nhau. V\u00ecS(W ng\u01b0\u1eddi ta t\u1ea1i m\u1ed9ng du? \u0110\u1ec3 l\u00e0m r\u00f5 \u0111i\u1ec3m n\u00e0y, ch\u00fang ta h\u00e3y b\u1eaft \u0111\u1ea7u xem x\u00e9t t\u1eeb gi\u00e2h ng\u1ee7. Ch\u00fang ta c\u1ea7n ph\u1ea3i ng\u1ee7 \u0111\u1ec3 cho c\u01a1 C\u01a1 th\u1ec3httnpgs\u01b0:\/\/\u1eddthi uvie1n6s1ach.vn","quan v\u00e0 t\u1ed5 ch\u1ee9c c\u1ee7a th\u00e2n th\u1ec3 \u0111\u01b0\u1ee3c ngh\u1ec9 ng\u01a1i v\u00e0 kh\u00f4i ph\u1ee5c, \u1edb trong n\u00e3o c\u00f3 m\u1ed9t \\\"trung khu ng\u1ee7\\\", n\u00f3 \u0111i\u1ec1u ti\u1ebft gi\u1ea5c ng\u1ee7 v\u00e0 n\u01b0\u1edbc \u0111i c\u1ee7a th\u00e2n th\u1ec3. V\u1eady th\u00ec c\u00e1i g\u00ec \u0111i\u1ec1u ti\u1ebft trung khu ng\u1ee7 n\u00e0y nh\u1ec9? \u0110\u00f3 l\u00e0 m\u00e1u. S\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a th\u00e2n th\u1ec3 ch\u00fang ta trong c\u1ea3 ng\u00e0y \u0111\u00e3 th\u1ea3i v\u00e0o m\u00e1u m\u1ed9t s\u00f4\\\" ch\u00e2\\\"t, trong \u0111\u00f3 c\u00f3 canxi. Ch\u00e2\\\"t n\u00e0y \u0111i v\u00e0o trong m\u00e1u v\u00e0 g\u00e2y ra k\u00edch th\u00edch trung khu ng\u1ee7. C\u00f2n trung khu ng\u1ee7 tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 b\u1ecb m\u1ed9t s\u1ed1 ch\u00e2\\\"t \u0111\u1eb7c bi\u1ec7t \\\"l\u00e0m cho ho\u1ea1t \u0111\u1ed9ng\\\", do \u0111\u00f3 s\u1ebd ph\u1ea3n \u1ee9ng v\u1edbi canxi. Khi trung khu ng\u1ee7 g\u00e2y t\u00e1c d\u1ee5ng, n\u00f3 c\u1ea7n l\u00e0m cho m\u1ed9t ph\u1ea7n n\u00e3o b\u1ecb tr\u1edf ng\u1ea1i, t\u1eeb \u0111\u00f3 l\u00e0m cho ch\u00fang ta kh\u00f4ng c\u00f2n thi\u1ebft l\u00e0m g\u00ec n\u1eefa, \u0111\u1ed3ng th\u1eddi l\u00e0m cho ch\u00fang ta kh\u00f4ng c\u00f2n tri gi\u00e1c. Ch\u00fang ta c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 \\\"gi\u00e2\\\"c ng\u1ee7 n\u00e3o\\\". Th\u1ee9 n\u1eefa l\u00e0 n\u00f3 l\u00e0m cho m\u1ed9t s\u1ed1 th\u1ea7n kinh \u1edf trong n\u00e3o b\u1ecb tr\u1edf ng\u1ea1i, t\u1eeb \u0111\u00f3 l\u00e0m cho c\u01a1 quan n\u1ed9i t\u1ea1ng v\u00e0 t\u1ee9 chi ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. Ch\u00fang ta g\u1ecdi \u0111\u00f3 l\u00e0 \\\"gi\u00e2\\\"c ng\u1ee7 th\u00e2n th\u1ec3\\\". Th\u00f4ng th\u01b0\u1eddng t\u00e1c d\u1ee5ng c\u1ee7a hai ph\u1ea3n \u1ee9ng n\u00e0y (hay g\u1ecdi l\u00e0 hai lo\u1ea1i gi\u00e2\\\"c ng\u1ee7) k\u1ebft h\u1ee2p v\u1edbi nhau, nh\u01b0ng trong m\u1ed9t s\u00f4\\\" tr\u01b0\u1eddng h\u1ee3p, ch\u00fang c\u00f3 th\u1ec3 m\u1ed7i c\u00e1i \u0111i m\u1ed9t \u0111\u01b0\u1eddng! N\u00e3o c\u00f3 th\u1ec3 ng\u1ee7 m\u00e0 th\u00e2n th\u1ec3 th\u00ec v\u1eabn th\u1ee9c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 sinh ra t\u00ecnh hu\u00f4ng h\u1ec7 th\u1ea7n kinh ph\u1ea3n \u1ee9ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng. Do \u0111\u00f3, nh\u1eefng ng\u01b0\u1eddi nh\u01b0 th\u1ebf c\u00f3 th\u1ec3 ng\u1ed3i d\u1eady, \u0111i l\u1ea1i kh\u1eafp n\u01a1i trong l\u00fac n\u00e3o v\u1eabn ng\u1ee7! 162 https:\/\/thuviensach.vn","Gi\u00e2c ng\u1ee7 c\u1ee7a n\u00e3o v\u00e0 gi\u1ea9\\\"c ng\u1ee7 c\u1ee7a th\u00e2n th\u1ec3 kh\u00f4ng tr\u00f9ng nhau, ng\u01b0\u1eddi ta tr\u1edf th\u00e0nh k\u1ebb m\u1ed9ng du. T\u1ea1isao hh\u1ec9 da b\u1ecbx\u00e3yx\u00e1t i\u1ea1\u1ec9 ch\u00e2y ra n\u01b0\u1ee9c v\u00e0ng? Gi\u1eefa c\u00e1c t\u1ebf b\u00e0o c\u00f3 m\u1ed9t lo\u1ea1i d\u1ecbch \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u1ecbch t\u1ebf b\u00e0o. D\u1ecbch n\u00e0y ph\u1ea7n l\u1edbn ch\u1ea3y \u0111\u1ebfn c\u00e1c tuy\u1ebfn h\u1ea1ch, c\u0169ng c\u00f3 m\u1ed9t b\u1ed9 ph\u1eadn nh\u1ecf \u0111i v\u00e0o vi huy\u1ebft qu\u1ea3n bi\u1ebfn th\u00e0nh d\u1ecbch tuy\u1ebfn h\u1ea1ch t\u1eadp trung l\u1ea1i nhi\u1ec1u n\u01a1i tr\u00ean c\u01a1 th\u1ec3. Khi ta b\u1ecb x\u00e2y x\u00e1t m\u00e0 v\u1ebft th\u01b0\u01a1ng l\u1ea1i r\u1ea5t nh\u1ecf th\u00ec d\u1ecbch tuy\u1ebfn h\u1ea1ch c\u00f3 th\u1ec3 ch\u1ea3y ra, c\u00f3 m\u00e0u v\u00e0ng v\u00e0ng. \\\\\u00ecsao v\u00eam\u00f9a \u0111mg mi\u1ec7ng n\u00f3i ra tw\u1ec9 tr\u00e1ng? V\u00e0o m\u00f9a \u0111\u00f4ng l\u1ea1nh gi\u00e1, ng\u01b0\u1eddi ta \u0111\u1ee9ng ngo\u00e0i s\u00e2n n\u00f3i chuy\u1ec7n th\u1ea5y c\u00f3 kh\u00f3i tr\u1eafng t\u1eeb trong mi\u1ec7ng ph\u1ea3 ra. \u0110\u00f3 l\u00e0 v\u00ec kh\u00f4ng kh\u00ed b\u00ean ngo\u00e0i r\u1ea5t l\u1ea1nh, nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 ch\u00fang ta l\u1ea1i cao h\u01a1n b\u00ean ngo\u00e0i. Do \u0111\u00f3 h\u01a1i trong mi\u1ec7ng ch\u00fang ta ph\u1ea3 ra l\u00e0 h\u01a1i n\u00f3ng, l\u1ea1i \u0111em theo h\u01a1i n\u01b0\u1edbc. H\u01a1i n\u01b0\u1edbc khi g\u1eb7p kh\u00f4ng kh\u00ed l\u1ea1nh b\u00ean ngo\u00e0i s\u1ebd \u0111\u1ecdng l\u1ea1i th\u00e0nh nh\u1eefng h\u1ea1t n\u01b0\u1edbc v\u00f4 c\u00f9ng nh\u1ecf b\u00e9, qua \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u00f4ng th\u00e0nh lu\u1ed3ng h\u01a1i tr\u1eafng. C\u01a1 th\u1ec3hnttgp\u01b0s:\u1edd\/\/ithuv1ie6n3sach.vn","V\u00ecsao rwM gi\u00e1 b\u1ecb c\u00f2ng l\u01b0ng? Ng\u01b0\u1eddi gi\u00e0 c\u00f2ng l\u01b0ng b\u1edfi v\u00ec th\u00e2n th\u1ec3 b\u1ecb m\u1ec7t m\u1ecfi kh\u00f4ng th\u1ec3 \u0111\u1ee9ng th\u1eb3ng \u0111\u01b0\u1ee3c, c\u00f3 ph\u1ea7n nghi\u00eang v\u1ec1 ph\u00eda tr\u01b0\u1edbc bu\u1ed9c ng\u01b0\u1eddi nhi\u1ec1u tu\u1ed5i th\u01b0\u1eddng ph\u1ea3i ch\u00f4ng \u0111\u1ee1 th\u00e2n m\u00ecnh b\u1eb1ng m\u1ed9t c\u00e2y g\u1eady. Tu\u1ed5i c\u00e0ng cao, s\u1ef1 tho\u00e1i bi\u1ebfn c\u1ee7a to\u00e0n c\u01a1 th\u1ec3 c\u00e0ng d\u1ec5 nh\u1eadn th\u00e2y. Tr\u01b0\u1eddng l\u1ef1c c\u1ee7a c\u01a1 gi\u1ea3m b\u1edbt, \u0111\u1ed1t s\u1ed1ng bi\u1ebfn d\u1ea1ng, h\u1ee5t m\u00e2T chi\u1ec1u cao, nh\u1eefng \u0111\u0129a s\u1ee5n kh\u1edbp \u0111\u1ed1t s\u00f4ng d\u1ed3n l\u1ea1i. N\u1ebfu s\u1ef1 l\u00fan xu\u1ed1ng \u0111\u00f3 th\u1ec3 hi\u1ec7n m\u1ed9t c\u00e1ch b\u00e2T th\u01b0\u1eddng th\u00ec ph\u1ea7n tr\u01b0\u1edbc c\u1ee7a \u0111\u1ed1t s\u1ed1ng l\u00fan xu\u00f4ng nhi\u1ec1u h\u01a1n ph\u1ea7n sau l\u00e0m cho c\u1ed9t s\u1ed1ng cong l\u1ea1i, \u0111\u00f3 l\u00e0 t\u1eadt g\u00f9 c\u1ee7a ng\u01b0\u1eddi gi\u00e0. T\u1ea1\u1ec9 sao c\u00f3 Im\u1ec9 l\u00f3czo\u0103n? C\u00e1c d\u00e2n t\u1ed9c kh\u00e1c nhau c\u00f3 nh\u1eefng lo\u1ea1i t\u00f3c kh\u00e1c nhau. Ng\u01b0\u1eddi ph\u01b0\u01a1ng \u0110\u00f4ng c\u00f3 t\u00f3c m\u1ecdc th\u1eb3ng. Ng\u01b0\u1eddi da \u0111en c\u00f3 t\u00f3c xo\u0103n \u00e1p v\u00e0o da \u0111\u1ea7u. Ng\u01b0\u1eddi da tr\u1eafng (ch\u1ee7ng ng\u01b0\u1eddi C\u00e1pcad\u01a1) c\u00f3 th\u1ec3 c\u00f3 t\u00f3c m\u1ecdc d\u1ef1ng, h\u01a1i xo\u0103n ho\u1eb7c r\u1ea5t xo\u0103n. M\u00e0u t\u00f3c, \u0111\u1ed9 cong (xo\u0103n) v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a s\u1ee3i t\u00f3c th\u00ec ph\u1ee5 thu\u1ed9c v\u00e0o gen di truy\u1ec1n. M\u1ed7i ng\u01b0\u1eddi khi sinh ra, t\u00f3c \u0111\u00e3 c\u00f3 m\u1ed9t c\u1ea5u t\u1ea1o v\u00e0 lo\u1ea1i h\u00ecnh ri\u00eang. Trong c\u1ea5u t\u1ea1o c\u1ee7a s\u1ee3i t\u00f3c c\u00f3 ch\u1ee9a m\u1ed9t ch\u1ea5t quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 u\u1ed1n cong c\u1ee7a t\u00f3c. 164 0 https:\/\/thuviensach.vn","N\u1ebfu \u0111em c\u1eaft \u0111\u00f4i m\u1ed9t s\u1ee2i t\u00f3c m\u1ecdc th\u1eb3ng v\u00e0 m\u1ed9t s\u1ee3i t\u00f3c m\u1ecdc cong \u0111\u1ec3 quan s\u00e1t m\u1eb7t c\u1eaft ngang c\u1ee7a ch\u00fang d\u01b0\u1edbi k\u00ednh hi\u1ec3n v\u0169, ta s\u1ebd th\u1ea5y t\u00f3c th\u1eb3ng c\u00f3 m\u1eb7t c\u1eaft h\u00ecnh tr\u00f2n, c\u00f2n t\u00f3c cong (xo\u0103n) c\u00f3 ti\u1ebft di\u1ec7n m\u00e9o. Ti\u1ebft di\u1ec7n ngang c\u1ee7a s\u1ee3i t\u00f3c c\u00e0ng m\u00e9o th\u00ec t\u00f3c c\u00e0ng d\u1ec5 cong. M\u00e0u c\u1ee7a t\u00f3c ph\u1ee5 thu\u1ed9c v\u00e0o' m\u1ed9t ch\u1ea5t g\u1ecdi l\u00e0 h\u1eafc t\u1ed1. N\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t s\u1eafc t\u1ed1. Khi b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh s\u1ee2i t\u00f3c, trong c\u00e1c t\u1ebf b\u00e0o t\u00f3c \u0111\u00e3 c\u00f3 ch\u1ee9a ch\u1ea5t n\u00e0y. H\u00e0m l\u01b0\u1ee3ng s\u1eafc t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 \u0111\u1eadm nh\u1ea1t c\u1ee7a m\u00e0u t\u00f3c. Tu\u1ed5i c\u00e0ng l\u1edbn, s\u1ed1 l\u01b0\u1ee3ng s\u1eafc t\u1ed1 trong c\u00e1c t\u1ebf b\u00e0o m\u1edbi sinh ng\u00e0y c\u00e0ng \u00edt \u0111i. Cho n\u00ean \u1edf ng\u01b0\u1eddi \u0111\u1ee9ng tu\u1ed5i tr\u1edf l\u00ean, t\u00f3c s\u1ebd chuy\u1ec3n sang m\u00e0u tro ho\u1eb7c b\u1ea1c tr\u1eafng. V\u00ecS(Wc\u00f3 nhi\u00eau m\u00f9u t\u1ed1c hh\u00fac nhau? T\u00f3c ng\u01b0\u1eddi ta c\u00f3 c\u1ea5u t\u1ea1o r\u00e2d th\u00fa v\u1ecb. T\u00f3c sinh ra t\u1eeb ch\u1ea5t s\u1eebng trong da. Tr\u01b0\u1edbc ti\u00ean t\u00f3c c\u1eafm r\u1ec5 xu\u1ed1ng d\u01b0\u1edbi da, sau \u0111\u00f3 m\u1edbi xuy\u00ean qua c\u00e1c l\u1edbp da m\u1ecdc l\u00ean tr\u00ean. C\u0169ng nh\u01b0 l\u1edbp da \u0111\u1ea7u, t\u00f3c c\u00f3 m\u1ed9t l\u1edbp \\\"\u0111\u00e2t\\\" d\u00f9ng \u0111\u1ec3 sinh tr\u01b0\u1edfng. \u0110\u00f3 l\u00e0 m\u1ed9t l\u1edbp t\u1ed5 ch\u1ee9c t\u1ebf b\u00e0o. Th\u00e2n s\u1eebng c\u1ee7a s\u1ee2i t\u00f3c l\u1ea5y \u0111\u01b0\u1ee3c ch\u00e2T dinh d\u01b0\u1ee1ng t\u1eeb l\u1edbp n\u00e0y v\u00e0 m\u1ecdc l\u00ean t\u1eeb \u0111\u00f3. Trong c\u00e1c t\u1ebf b\u00e0o c\u1ee7a s\u1ee3i t\u00f3c, c\u00f3 nh\u1eefng t\u1ebf b\u00e0o ch\u1ee9a s\u1eafc t\u1ed1. T\u00f3c c\u00e0ng m\u1ecdc d\u00e0i th\u00ec h\u1eafc t\u1ed1 c\u00e0ng sinh s\u00f4i n\u1ea3y n\u1edf. Sau khi h\u1eafc t\u1ed1 ch\u1ebft, ch\u00fang \u0111\u1ec3 l\u1ea1i nh\u1eefng h\u1ea1t s\u1eafc t\u00f4\\\" \u1edf tr\u00ean s\u1ee2i t\u00f3c. C\u01a1 th\u1ec3hnttgps\u01b0:\u1edd\/\/tihuv1ie6n5sach.vn","M\u00e0u c\u1ee7a h\u1ea1t s\u1eafc t\u00f4\\\" n\u00e0y g\u1ed3m c\u00f3 ph\u1ed5 h\u1ec7 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c m\u00e0u n\u00e2u: t\u1eeb m\u00e0u \u0111\u1ecf cho \u0111\u1ebfn m\u00e0u n\u00e2u \u0111en, m\u00e0u n\u00e0o c\u0169ng c\u00f3. M\u1ed9t ph\u1ea7n ch\u00e2\\\"t s\u1eebng c\u1ee7a t\u00f3c c\u00f3 m\u00e0u v\u00e0ng. M\u00e0u v\u00e0ng n\u00e0y tr\u1ed9n v\u1edbi c\u00e1c m\u00e0u kh\u00e1c nhau c\u1ee7a h\u1ea1t s\u1eafc t\u1ed1 l\u00e0m cho t\u00f3c ng\u01b0\u1eddi ta c\u00f3 m\u00e0u kh\u00e1c nhau, t\u1eeb m\u00e0u v\u00e0ng kim cho \u0111\u1ebfn m\u00e0u \u0111en. Gen d' truy\u1ec1n quy\u1ebft \u0111\u1ecbnh m\u00e0u c\u1ee7a h\u1ea1t s\u1eafc t\u1ed1, qua \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh m\u00e0u t\u00f3c. Trung b\u00ecnh m\u1ed7i ng\u01b0\u1eddi c\u00f3 kho\u1ea3ng 300 - 500 ngh\u00ecn s\u1ee2i t\u00f3c. Ng\u01b0\u1eddi t\u00f3c v\u00e0ng c\u00f3 m\u1eadt \u0111\u1ed9 t\u00f3c d\u00e0y h\u01a1n. Ng\u01b0\u1eddi t\u00f3c \u0111en c\u00f3 s\u1ee2i t\u00f3c to h\u01a1n, s\u1ed1 l\u01b0\u1ee3ng s\u1ee3i t\u00f3c \u00edt h\u01a1n ng\u01b0\u1eddi t\u00f3c v\u00e0ng kho\u1ea3ng 1\/4 \u1edf ng\u01b0\u1eddi t\u00f3c \u0111\u1ecf (hung) th\u00ec s\u00f4\\\" s\u1ee3i t\u00f3c c\u00e0ng \u00edt n\u1eefa. M\u1ed7i th\u00e1ng, t\u00f3c ng\u01b0\u1eddi d\u00e0i th\u00eam kho\u1ea3ng 1 - 2cm. V\u1eadn t\u1ed1c sinh tr\u01b0\u1edfng c\u1ee7a t\u00f3c trong nh\u1eefng th\u1eddi gian kh\u00e1c nhau c\u1ee7a m\u1ed9t ng\u00e0y th\u00ec kh\u00e1c nhau. Visao tti\u00f9\u1ec9 k\u1ef3 mang thai c\u1ee7a ngu\u1ed3\u1ec9 l\u00e0 9 th\u00e1ng? Trong c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa, th\u1eddi gian t\u1eeb l\u00fac tr\u1ee9ng th\u1ee5 tinh cho t\u1edbi l\u00fac c\u00f3 thai \u0111\u1ebfn khi sinh n\u1edf g\u1ecdi l\u00e0 th\u1eddi k\u1ef3 mang thai. Lo\u00e0i ng\u01b0\u1eddi c\u00f3 th\u1eddi k\u1ef3 mang thai l\u00e0 280 ng\u00e0y. S\u1edf d\u0129, c\u1ea7n th\u1eddi gian d\u00e0i nh\u01b0 th\u00ea\\\" l\u00e0 do thai nhi trong l\u00f2ng m\u1eb9 c\u1ea7n tr\u1ea3i qua nhi\u1ec1u bi\u1ebfn \u0111\u1ed5i, sinh tr\u01b0\u1edfng, l\u1edbn l\u00ean sao cho sau khi l\u1ecdt l\u00f2ng m\u1eb9, em b\u00e9 c\u00f3 th\u1ec3 s\u00f4ng \u0111\u01b0\u1ee3c. 166 https:\/\/thuviensach.vn","Ttia\u1ec9 nh\u1ec9 l\u1edbn l\u00ean \u1edf b\u1ed9ph\u1eadn n\u1ee9\u20ac irong c\u01a1 Ih\u1ebd ng\u01b0\u00f9\u1ec9 m\u1eb9? Sau khi tr\u1ee9ng th\u1ee5 tinh, t\u1ebf b\u00e0o trong tr\u1ee9ng b\u1eaft \u0111\u1ea7u sinh tr\u01b0\u1edfng. Qu\u00e1 tr\u00ecnh n\u00e0y th\u1ef1c hi\u1ec7n th\u00f4ng qua s\u1ef1 ph\u00e2n chia t\u1ebf b\u00e0o - m\u1ed9t t\u1ebf b\u00e0o bi\u1ebfn th\u00e0nh hai t\u1ebf b\u00e0o. \u0110\u00f3 l\u00e0 \\\"ph\u00f4i\\\", n\u00f3 v\u1eabn \u1edf trong \u1ed1ng d\u1eabn tr\u1ee9ng, nh\u01b0ng \u0111ang ti\u1ebfn v\u1ec1 ph\u00eda t\u1eed cung. Sau \u0111\u00f3, ph\u00f4i \u0111i v\u00e0o t\u1eed cung: khi ph\u00f4i \u0111\u01b0\u1ee3c 10 ng\u00e0y, n\u00f3 b\u1eaft \u0111\u1ea7u chui v\u00e0o v\u00e1ch t\u1eed cung. T\u1eed cung l\u00e0 n\u01a1i ph\u00f4i thai sinh tr\u01b0\u1edfng l\u1edbn l\u00ean. T\u1eed cung l\u00e0 m\u1ed9t c\u01a1 quan h\u00ecnh qu\u1ea3 l\u00ea, to b\u1eb1ng kho\u1ea3ng n\u1eafm tay, n\u00f3 cung c\u1ea5p ch\u1ea5t dinh d\u01b0\u1ee1ng cho thai nhi v\u00e0 b\u1ea3o v\u1ec7 thai nhi. B\u00e0o thai l\u1edbn l\u00ean th\u00ec t\u1eed cung c\u0169ng d\u1ea7n d\u1ea7n m\u1edf r\u1ed9ng ra. N\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng ng\u1eebng to l\u00ean l\u00e0 nh\u1edd n\u00f3 c\u00f3 v\u00e1ch \u0111\u00e0n h\u1ed3i, c\u00f3 th\u1ec3 to l\u00ean 500 l\u1ea7n. Trong t\u1eed cung c\u00f3 2 l\u1edbp t\u1ed5 ch\u1ee9c b\u1ea3o v\u1ec7 thai nhi. L\u1edbp b\u1ea3o v\u1ec7 ngo\u00e0i l\u00e0m cho thai nhi ti\u1ebfp x\u00fac v\u1edbi v\u00e1ch t\u1eed cung. L\u1edbp b\u1ea3o v\u1ec7 b\u00ean trong ch\u1ee9a \u0111\u1ea7y ch\u1ea5t d\u1ecbch l\u1ecfng \u0111\u1ec3 b\u00e0o thai n\u1ed5i trong ch\u1ea5t d\u1ecbch n\u00e0y. Ch\u1ea5t l\u1ecfng \u0111\u00f3 nh\u01b0 m\u1ed9t c\u00e1i \u0111\u1ec7m l\u00e0m cho thai nhi kh\u00f4ng b\u1ecb va ch\u1ea1m khi C\u01a1 th\u1ec3hnttpgs\u01b0:\u1edd\/\/tihuv1ie6n7sach.vn","ng\u01b0\u1eddi m\u1eb9 di chuy\u1ec3n, \u0111i l\u1ea1i. Thai nhi kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n l\u1edbn l\u00ean trong t\u1eed cung cho \u0111\u1ebfn ng\u00e0y l\u1ecdt l\u00f2ng m\u1eb9. Tim c\u1ee7a Iha\u1ec9 nh\u1ec9 b\u0103t \u0111\u00e1i \u0111\u1eadp t\u1eeb\u1ec9\u00fac n\u1ee9c? Tr\u00e1i tim t\u01b0\u01a1ng lai c\u1ee7a thai nhi h\u00ecnh th\u00e0nh th\u00f4ng qua s\u1ef1 k\u1ebft h\u1ee2p hai m\u1ea1ch m\u00e1u \u1edf s\u00e1t ph\u00eda d\u01b0\u1edbi \u0111\u1ea7u. M\u1ea1ch m\u00e1u m\u1edbi h\u00ecnh th\u00e0nh n\u00e0y l\u1edbn l\u00ean r\u1ea5t nhanh, n\u00f3 m\u1ecdc cong tr\u1edf l\u1ea1i, cu\u1ed1i c\u00f9ng h\u00ecnh th\u00e0nh tr\u00e1i tim. Tim thai nhi b\u1eaft \u0111\u1ea7u \u0111\u1eadp khi c\u00e1i thai \u0111\u01b0\u1ee3c ba tu\u1ea7n tu\u1ed5i trong b\u1ee5ng m\u1eb9. V\u00ec scw tr\u1ebb s\u01a1 sinh hh\u00f3c nhi\u00eau th\u1ebf? \u0110\u1ee9a tr\u1ebb khi v\u1eeba m\u1edbi l\u1ecdt l\u00f2ng \u0111\u00e3 kh\u00f3c oe oe, c\u00f3 th\u1ec3 l\u00e0 do b\u00e9 c\u1ea3m th\u00e2y kh\u00f3 ch\u1ecbu, ho\u1eb7c do \u0111\u00f3i. Khi \u0111\u1ee9a b\u00e9 l\u1edbn l\u00ean m\u1ed9t ch\u00fat, c\u00f3 th\u1ec3 cho b\u00e9 b\u00fa s\u1eefa. Nh\u1edd \u0111\u00f3 b\u00e9 s\u1ebd kh\u00f4ng kh\u00f3c nhi\u1ec1u n\u1eefa. C\u00f3 tr\u01b0\u1eddng h\u1ee2p hi\u1ec7n t\u01b0c;tng kh\u00f3c c\u1ee7a tr\u1ebb s\u01a1 sinh l\u00e0 m\u1ed9t s\u1ef1 v\u1eadn \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3, l\u00fac \u1eafy \u0111\u1ee9a tr\u1ebb c\u00f3 th\u1ec3 ch\u1eb3ng c\u1ea7n g\u00ec h\u1ebft, nh\u01b0ng b\u00e9 v\u1eabn kh\u00f3c. T\u1ea1i sao cm t\u1ea1i gi\u00f4ng b\u00f5m\u1eb9? Con c\u00e1i c\u00f3 th\u1ec3 t\u1ed5ng h\u1ee2p \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea3 b\u00f4\\\" l\u1eabn m\u1eb9. Trong t\u1ebf b\u00e0o tinh tr\u00f9ng c\u1ee7a b\u1ed1 168 https:\/\/thuviensach.vn","v\u00e0 trong t\u1ebf b\u00e0o tr\u1ee9ng c\u1ee7a m\u1eb9 \u0111\u1ec1u c\u00f3 nhi\u1ec5m s\u1eafc th\u1ec3. Th\u00e0nh ph\u1ea7n c\u1ee7a nhi\u1ec5m s\u1eafc th\u1ec3 l\u00e0 gen - m\u1ed9t v\u1eadt ch\u00e2T d\u1ea1ng h\u1ea1t, truy\u1ec1n \u0111\u1ea1t t\u00ednh tr\u1ea1ng di truy\u1ec1n. Gen c\u00f3 th\u1ec3 truy\u1ec1n cho con m\u1ed9t s \u1ed1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a b\u00f4\\\" v\u00e0 m\u1eb9. Th\u00ed d\u1ee5: m\u00e0u da, t\u00f3c, khu\u00f4n m\u1eb7t, c\u1ea5u t\u1ea1o th\u00e2n th\u1ec3,... Ph\u01b0\u01a1ng th\u1ee9c h\u1ed7n h\u1ee2p gen v\u00e0 ki\u1ec3u lo\u1ea1i gen c\u1ee7a b\u1ed1 m\u1eb9 quy\u1ebft \u0111\u1ecbnh \u0111\u1ee9a con l\u1edbn l\u00ean s\u1ebd ra sao. C\u00f3 th\u1ec3 con s\u1ebd c\u00f3 t\u00f3c gi\u1ed1ng m\u1eb9, m\u0169i gi\u1ed1ng b\u1ed1, c\u0169ng c\u00f3 nh\u1eefng b\u1ed9 ph\u1eadn ch\u1eb3ng gi\u00f4ng b\u1ed1 c\u0169ng ch\u1eb3ng gi\u1ed1ng m\u1eb9. M\u00e0u cta \u1edc\u1ebem\u1eb9 Hh\u00fac n\u1ec9\u01b0m Ih\u00ec cm s\u1ebd c\u00f3 m\u1ee9u \u0111a g\u00ec? N\u1ebfu ph\u00eda ng\u01b0\u1eddi c\u00f3 m\u00e0u da \u0111en (b\u1ed1 ho\u1eb7c m\u1eb9) kh\u00f4ng c\u00f3 b\u00e2\\\"t c\u1ee9 huy\u1ebft th\u1ed1ng n\u00e0o c\u1ee7a ng\u01b0\u1eddi da tr\u1eafng, v\u00e0 ph\u00eda ng\u01b0\u1eddi c\u00f3 m\u00e0u da tr\u1eafng (m\u1eb9 ho\u1eb7c b\u1ed1) c\u0169ng kh\u00f4ng c\u00f3 b\u00e2\\\"t c\u1ee9 huy\u1ebft th\u00f4ng n\u00e0o c\u1ee7a ng\u01b0\u1eddi da \u0111en, th\u00ec \u0111\u1ee9a con c\u1ee7a hai ng\u01b0\u1eddi n\u00e0y s\u1ebd c\u00f3 \\\"m\u00e0u da trung gian\\\", g\u1ecdi l\u00e0 \\\"lai \u0111en tr\u1eafng\\\". N\u1ebfu b\u1ed1 m\u1eb9 l\u00e0 con lai \u0111en - tr\u1eafng, th\u00ec m\u00e0u da c\u1ee7a con c\u00f3 th\u1ec3 l\u00e0 m\u00e0u \u0111en (tr\u1edf l\u1ea1i m\u00e0u da c\u1ee7a t\u1ed5 ti\u00ean da \u0111en), c\u0169ng c\u00f3 th\u1ec3 l\u00e0 m\u00e0u tr\u1eafng (tr\u1edf v\u1ec1 m\u00e0u da c\u1ee7a t\u1ed5 ti\u00ean da tr\u1eafng). N\u1ebfu b\u00f4\\\" (ho\u1eb7c m\u1eb9) c\u00f3 m\u00e0u da nh\u1ea1t nh\u01b0ng l\u1ea1i c\u00f3 huy\u1ebft th\u1ed1ng da \u0111en, c\u00f2n m\u1eb9 (ho\u1eb7c b\u00f4\\\") l\u00e0 ng\u01b0\u1eddi da C\u01a1 th\u1ec3hnttpgs\u01b0:\u1edd\/\/tihuv1ie6ns9ach.vn","tr\u1eafng, th\u00ec m\u00e0u da c\u1ee7a con s\u1ebd kh\u00f4ng th\u1eabm h\u01a1n m\u00e0u da nh\u1ea1t c\u1ee7a b\u1ed1 m\u1eb9. Ch\u00fang ta c\u1ea9n nh\u1eefng v\u1ec9tamin n\u1ee9o? Ch\u00fang ta c\u1ea7n t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i vitamin. N\u1ebfu ta kh\u00f4ng th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1i vitamin n\u00e0o th\u00ec t\u1ee9c l\u00e0 ta m\u1eafc ch\u1ee9ng b\u1ec7nh thi\u1ebfu vita- min \u0111\u00f3. Vitamin kh\u00e1c nhau th\u00ec c\u00f3 c\u00e2^u t\u1ea1o kh\u00e1c nhau. C\u01a1 th\u1ec3 ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c vitamin, nh\u01b0ng l\u1ea1i c\u1ea7n ph\u1ea3i c\u00f3 vitamin. Cho n\u00ean vitamin l\u00e0 th\u1ee9 c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a sinh m\u1ec7nh con ng\u01b0\u1eddi v\u00e0 con ng\u01b0\u1eddi ch\u1ec9 c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c vitamin qua th\u1ee9c \u0103n. M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u n\u00ean \u0103n u\u00f4ng c\u00e2n b\u1eb1ng, \u0103n t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i th\u1ee9c \u0103n, nh\u1eb1m b\u1ea3o \u0111\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ea7y \u0111\u1ee7 t\u00e2d c\u1ea3 c\u00e1c loai vitamin. 170 0 https:\/\/thuviensach.vn","9![\u1ee5c\u00ec\u1ee5c L\u1eddi n\u00f3i \u0111\u1ea7u.................................................................... 5 V\u00ec sao tim ho\u1ea1t \u0111\u1ed9ng su\u1ed1t \u0111\u1eddi kh\u00f4ng m \u1ec7t m\u1ecfi?...........7 M\u00e1u tu\u1ea7n ho\u00e0n nhi? th\u00ea n\u00e0o?...................................... 7 V\u00ec sao kh\u1ec9 \u0111\u00f3i, h\u1ee5ng l\u1ea1i s\u00f4i?............. ........................... 8 D\u00f9ng m\u1ee7i \u0111 \u1ec3 h\u00edt th\u1edf c\u00f3 l\u1ee3i \u00edch g\u00ec?................................9 V\u00ec sao khi b\u1ecb c\u1ea3m m\u1ea1o m\u0169i kh\u00f4ng ng\u1eedi \u0111\u01b0\u1ee2c m\u00ecii?.....10 V\u00ec sao ph\u1ea3i h\u00edt th\u1edf?...................................................... 11 T\u1ea1i sao ch\u00edmg ta l\u1ea1i run kh\u1ec9 l\u1ea1nh?..............................11 V\u00ec sao c\u00f3 s\u1eb9o?................................................................ 12 V\u00ec sao khi v\u1ebft th\u01b0\u01a1ng li\u1ec1n da th\u00ec s\u1ebd c\u1ea3m th\u1ea5y ng\u00ed\u1ec9a?..\\\\3 V\u00ec sao h\u00ecnh d\u1ea1ng c\u1ec9ia c\u00e1c r\u0103ng kh\u00f4ng gi\u1ed1ng nhan?......14 V\u0129 sao ph\u1ea3i thay r\u0103ng?................................................. 15 V\u00ec sao n\u00f3i nh\u00ecn r\u0103ng bi\u1ebft tu\u1ed5i t\u00e1c?............................... 15 Vi sao ngi\u1ec9\u1eddi ta l\u1ea1i ng\u00e1p?.............................................. 16 V\u00ec sao m\u1eaft kh\u00f4ng s\u1ee2 r\u00e9t?..............................................17 V\u00ec sao m\u00e0 c\u00f3 d\u1eed m\u1eaft?...................................................17 sao n\u01b0\u1edbc m \u1eaft l\u1ea1i m\u1eb7n?............................................ 18 V\u00ec SCU) m \u1eaft ch\u00f3ng m\u1ecfi kh\u1ec9 nh\u00ecn v\u1eadt g\u1ea7n?.................... 19 V\u00ec sao c\u00f3 hi\u1ec7n \u1eeb\u1ebf\u1ee2ng m \u1eaft l\u00e1c?...................................... 20 Vt sao kh\u00f3c l\u00e2u th\u00ec v\u00e0nh m \u1eaft s\u1ebd\u0111\u1ecf l\u00ean?...................... 20 Vt sao ng\u00e1p l\u1ea1t ch\u1ea3y nt\u1ec9\u1edbc m\u1eaft?....................................21 V\u00ec sao con ngi\u00ed\u01a1i m \u1eaft l\u1ea1i chuy\u1ec3n \u0111\u1ed9ng?....................... 22 M \u00ed m\u1eaft v\u00ec sao l\u1ea1i m\u00e1y?............................................... 23 C\u01a1 thh\u1ec3ttnpgs:\u01b0\/\/\u1eddthiuvie1n7s1ach.vn","V\u00ec sao m\u1eaft kh\u00f4ng d\u1ec5 m\u1eafc b\u1ec7nh?..................................23 V? sao kh\u00f4ng n\u00ean d\u1ee5i m\u1eaft?.......................................... 24 sao kh\u00f3i l\u00e0m cay m\u1eaft v\u00e0 l\u00e0m ch\u1ea3y ni\u1ec9\u1edbc m\u1eaft?.......25 V\u00ec sao \u00e1nh s\u00e1ng qu\u00e1 ch\u00f3i c\u00f3 th \u1ec3 g\u00e0y c\u1eadn th\u1ecb?..............26 T\u1ea1i sao m\u00e0u xanh l\u1ea1i c\u00f3 l\u1ee3i cho m\u1eaft?..........................27 Th\u1edf b\u1eb1ng m\u0169i c\u00f3 l\u1ee3i \u00edch g\u00ec?..........................................28 V\u0129 sao m\u00e1u c\u00f3 m\u00e0u \u0111\u1ecf?................................................. 29 V? sao l\u00f4ng m\u00e0y kh\u00f4ng th \u1ec3 d\u00e0i nh\u01b0 t\u00f3c?..................... 29 Thi\u1ec9\u1eddng xuy\u00ean ch\u1ea3i t\u00f3c c\u00f3 t\u00e1c d\u1ee5ng t\u1ed1t nhu\u2019th\u00ea n\u00e0o?..30 T\u1ea1i sao khi ng\u1ee7 l\u1ea1i ch\u1ea3y n\u01b0\u1edbc mi\u1ebfng?......................... 31 T\u1ea1i sao khi ng\u1ee7 l\u1ea1i nghi\u1ebfn r\u0103ng?.................................32 V\u00ec sao con ngi\u1ec9\u1eddi c\u00f3 th \u1ec3 c\u1ea3m nh\u1eadn sif \u0111au \u0111\u1edbn?...........33 T\u1ea1i sao con ngii\u1eddi c\u00f3 th \u1ec3 n\u00f3i \u0111t\u1ec9\u1ee2c?..............................35 V\u0129 sao c\u00f3 ngi\u1ec9\u1eddi kh\u00f4ng cao?.......................................... 36 VtsaokixuA In\u1eadi trcDgth\u00e1ich\u1eadm ho\u1eb7c r^\u1ee9gpl\u0129\u00e1t tr\u00ed\u1eb3i?....37 V\u0129 sao ch\u00fang ta n\u1eb1m m\u0111?............................................. 37 V\u00ec sao khi t\u00e2m tr\u1ea1ng c\u0103ng th\u1eb3ng l\u1ea1i b\u1ecb ra m\u1ed3 h\u00f4i?.....38 T\u1ea1i sao u\u1ed1ng n\u01b0\u1edbc tn\u1ec9\u1edbc khi \u0103n c\u01a1m l\u1ea1i kh\u00f4ng t\u1ed1t?.....39 T\u1ea1i sao ngi\u1ec9\u1edd\u1ec9 ta ph\u1ea3i d\u00f9ng g\u1ed1i khi ng\u1ee7?.................... 40 V\u00ec sao ng\u00f3n tay c\u00e1i ch\u1ec9 c\u00f3 hai \u0111\u1ed1t?...............................41 sao \u0111\u1ea7i ng\u00e1i tay l\u1ea1i l\u00e0 \u0129\u00ed\u01a1\u00ed c\u00f3 x\u00edu:gi\u00e1c nl\u1ef1\u1ec9y c\u1ea3n \u1ec9ih\u1ea5t?... 42 T\u1ea1i sao ngiM c\u00f3 th \u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 c\u01a1 tl\u00ed\u1ec3 \u1ed5n \u0111\u1ecbnh?....43 T\u1ea1i sao ngit\u1eddi l\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng th\u0103ng b\u1ea7\u0129ig?................ 44 V\u00ec sao con trai \u0111a s\u1ed1 \u0111\u1ec1u cao h\u01a1n con g\u00e1i?................. 45 V\u00ec sao thi\u1ebfu canx\u1ec9 s\u1ebd b\u1ecb co r\u00fat?....................................46 172 https:\/\/thuviensach.vn","C\u00f3 ph\u1ea3i ch\u1ec9 c\u1ea7n c\u00f3 nh\u00f3m m\u00e1u gi\u1ed1ng nhan l\u00e0 c\u00f3 th \u1ec3 tniy\u1ec1n m\u00e1n an to\u00e0n?.................................... 47 V\u00ec sao c\u01a1 th \u1ec3 ph\u00e1t s\u1ed1t?................................................. 48 sao con ng\u01b0\u1eddi s\u1ebd b\u1ecb gi\u00e0?........................................... 49 V\u00ec sao ng\u01b0\u1eebi ta ph\u1ea3i ng\u1ee7?...........................................50 V\u00ec sao khi v\u1eeba ng\u1ee7 d\u1eady c\u01a1 th \u1ec3 l\u1ea1i ph\u1edd ph\u1ea1c?............ 51 V\u00ec sao ng\u1ed3i x\u1eafn l\u00e2n \u0111\u1ebfn khi \u0111\u00ed\u1ee7ig d\u1eady s\u1ebd ch\u00f3ng m\u1eb7t?...52 V\u00ec sao khi x\u1ea5n h\u1ed5 c\u00f3 \u00ectgi\u1ec9\u01a1i l\u1ea1i \u0111\u1ecf m\u1eb7t?........................ 52 V\u00ec sao khi \u0103n c\u01a1m m\u00e0 a\u1ec9\u1eddi n\u00f3i d\u1ec5 b\u1ecb s\u1eb7c?.....................53 V\u00ec sao c\u00f3 n\u1ea5m l\u01b0\u1ee1i?....................................................... 54 V\u00ec sao \u0103n qn\u00e1 nhanh hay b\u1ecb \u0111an d\u1ea1 d\u00e0y?.................... 54 V\u00ec sao tai nghe \u0111\u01b0\u1ee2c \u00e2m thanh?................................... 55 V\u00ec sao c\u00f3 r\u00e1y tai?.......................................................... 56 V\u00ec sao In\u1eefi c\u00f3 th\u1ec3pl\u00fain bi\u1ec7t nln\u00f9ig nnd v\u1ecb kh\u00e1c nhau?....57 Tn\u1ed5i th\u1ecd c\u1ec9ia CO\u0128I ngi\u00ed\u1edd\u1ec9 t\u1ed1i \u0111a l\u00e0 bao nhi\u00eau?............... 58 V\u1ec9 sao c\u00f3 hi\u1ec7n ti\u00ed\u1ee2ng \u1ee9c ch \u1ebf t\u00e2m l\u00fd?............................59 T\u1ea1i sao \u0111\u1ea7u ch\u00fang ta l\u1ea1i c\u00f3 g\u1ea7u?..................................60 V\u00ec sao kh\u00f4ng n\u00ean v\u1eeba \u0103n vita xem tivi?...................... 61 V\u0129 sao vi\u00eda \u0103n no xong kh\u00f4ng n\u00ean \u0111i ng\u1ee7 ngay?.......... 61 V\u00ed sao ph\u1ea3i t\u1eafm r\u00ed\u1ec9a th\u01b0\u1eddng xuy\u00ean?............................. 62 V\u00ec sao c\u00f3 hi\u1ec7n t\u01b0\u1ee2ng ra m\u1ed3 h\u00f4i ch\u00e2n?.......................... 63 V\u1ec9 sc\u01b0> c\u00f3 gh\u00e9t?............................................................64 N\u00e3o to lun\/ l\u1eed\u0129\u1ecfc\u00f3 li\u00ean qi\u01b0m^ \u0111\u1ebfn tr\u00ed th\u00e2ig minh k\u1ec9t\u00e2\u0129g?....65 V\u00ec sao tr\u1eddi l\u1ea1nh l\u1ea1i \u0111i ti\u1ec3u nhi\u1ec1u?................................ 67 V\u00ec sao ph\u1ea3i h\u00edt th\u1edf?....................................................67 C\u01a1 thh\u1ec3ttpnsg:\/\u01b0\/t\u1eddhiuvie1ns7a3ch.vn","V\u00ec sao g\u1ecdi n\u00e3o l\u00e0 ch\u1ea5t x\u00e1m?......................................... 68 T\u1ea1i sao c\u00e1c c\u1eb7p sinh \u0111\u00f4i 7ih\u00ecn l\u1ea1i r\u1ea5t gi\u1ed1ng nhan?.......68 V\u00ec sao c\u00f3 \u0129igic\u1eddi t\u00f3c \u0111en, ngi\u1ec9\u1eddi t\u00f3c v\u00e0ng?..................... 69 T\u1ea1i sao con ngu\u1eddi c\u1ea7t c\u00f3 l\u00f4ng v\u00e0 c\u00f3 t\u00f3c?..................... 71 T\u1ea1i sao gi\u1ea5c m\u01a1gi\u00fap ngi\u1ec9\u1edd\u1ec9 s\u1ed5ng l\u00e0u?..........................72 V\u00ec sao l\u1ea1i h\u1eaft h\u01a1i?.........................................................73 V\u0129 sao tr\u1ebb em c\u0169ng c\u00f3 t\u00f3c b\u1ea1c?......................................74 V\u00ec sao m\u00f9a \u0111\u00f4ng tay kh\u00f4 r\u00e1p?..................................... 74 M\u00e1u c\u00f3 vai tr\u00f2 g\u00ec?........................................................75 T\u1ea1i sao m\u00e0u da c\u1ec9ia ng\u01b0\u1eddi l\u1ea1i kh\u00e1c nhau?...................76 T\u1ea1i sao con ngi\u1ec9\u1eddi l\u1ea1i \u0111i h\u1eb1ng hai ch\u00e2n?......................77 Da xanh c\u00f3 ph\u1ea3i l\u00e0 do thi\u1ebfu \u0129n\u00e1u?.............................. 78 M\u1ea1ch m\u00e1u trong c\u01a1 th \u1ec3 d\u00e0i bao nhi\u00eau?......................79 Di\u1ee9i: \u0103n \u0111\u01b0\u1ee2c ti\u00eau h\u00f3a nhiCth\u1ebf \u1ec9t\u00e0o?...........................79 V\u00ec sao 7tg\u01b0\u1eddi h\u00e9o, \u0129mng thi\u1ec9\u1edc77gph\u1ec7 v\u00e0 li\u1ee1n ra?............80 Gi\u00e1c quan th\u1ee9 6 c\u1ee7a con 7tgi\u1ea7fi n\u1eb1m \u1edf \u0111\u00e2u v\u00e0 c\u00f3 t\u00e1c d\u1ee5ng g\u00ec?......................................................... 81 V\u00ec sao clnatg ta c\u00f3 tl\u00ed\u1ec3nl\u0129\u1edb\u0111i\u1ee2: 7ih\u0129\u00f37gsi\/vi\u1ec7c \u0111\u00e3 qi\u01b0i?.....83 Hay 7tgo\u00e1y tai t\u1ed1t hay kh\u00f4ng t\u1ed1t?................................84 N\u00e3o th\u00edch \u0103n g\u00ec?............................................................85 Vt sao k\u00ectu\u1ede7i TTi\u1eb7td\u01b0i m\u1ed3i ngu\u1edd\u00ed l\u1ea1i kh\u00e2tggi\u1ed1ng Tihau?... 87 T\u1ea1i sao m\u00f3ng tay c\u1ee9 d\u00e0i ra kh\u00f4ng ng\u1eebng?.................. 88 SCU) kh\u00f4ng n\u00ean u\u1ed1ng nhi\u1ec1u n\u01b0\u1edbc gi\u1ea3i kh\u00e1t?............ 89 scuo kh\u00f4ng 7t\u00ean xem ti vi l\u00e2u?...................................89 V\u00ec sao ngt\u1ec9\u1eddi ta l\u1ea1i say t\u00e0u xe?..................................... 90 174 o https:\/\/thuviensach.vn","C\u01a1 th\u1ec3 \u0111\u00e3 chi\u1ebfn th\u1eafng vi tr\u00ecmgg\u00e2i\u1eca b\u1ec7nh b\u1eb1ng c\u00e1ch t\u1ee9o?....92 V\u00ec sao d\u1ea1 d\u00e0y kh\u00f4ng h \u1ec9 ti\u00eau h\u00f3a ch\u00ednh m\u00ecnh?.............93 V\u1ec9 sao l\u1ea1i b\u1ecb n\u1ea5c?...........................................................93 V\u0129 sao \u0111t\u1ecftg l\u00e2u c\u00f3 c\u1ea3m gi\u00e1c b\u1ecb t\u00ea ch\u00e2n?...................... 94 sao c\u00e1c t\u1ebf b\u00e0o b\u1ea1ch c\u1ea7i \u0111it\u00ec\u1ef5cg\u1ecdi l\u00e0 v\u1ec7 s\u0129 \u1ea3ui c\u01a1 th\u1ec3?.... 94 V\u00ec sao con ngi\u00ed\u1edd\u1ec9 c\u00f3 huy\u1ebft \u00e1p?..................................... 95 V\u0129 sao d \u1ee9 \u00fd r\u00e8n luy\u1ec7n tay \u1eebc\u00fa l\u1ea1igutp tr\u00ed tu\u1ec7 ph\u1edbt tri\u1ec3n?...95 V\u00ec sao l\u1ea1i \u1ec9t\u00f3i m\u01b0?.........................................................96 V\u00ec sao v\u1ea7n tay c\u1ec9ia m\u1ed3i ng\u01b0\u1eddi kh\u00e1c nhau?....................96 V\u00ec sao b\u1ed9 n\u00e3o \u0111\u01b0\u1ee2cg\u1ecdi l\u00e0 ch\u1ec9 huy c\u1ee7a c\u01a1 th\u1ec3?..............97 B\u1ed9 n\u00e3o ghi nh\u1edb S I\u1ec8 vi\u1ec7c b\u1eb1ng c\u00e1ch n\u00e0o?...................... 98 V\u00ec sao da h\u1ed3ng l\u00ean khi b\u1ecb n\u00f3ng?...................................98 Da c\u00f3 t\u00e1c d\u1ee5ng nh\u01b0 th\u00ea n\u00e0o?....................................... 98 V\u00ec sao c\u1eaft m\u00f3ng tay kh\u00f4ng c\u1ea3m th\u1ea5y \u0111au?................. 99 V\u00ec sao c\u01a1 th \u1ec3 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng?.................99 V\u00ec sao ch\u00fang ta c\u00f3 th\u00ea c\u1eed \u0111\u1ed9ng \u0111u\u1ee2c?.......................... 100 C\u00f3 ph\u1ec9\u00fa luii b\u00ean tr\u00e1i - ph\u1ea3i c\u1ee7a c\u01a1 th\u1ec3 \u0111\u1ec1u gi\u1ed1ng nhau?....100 V\u00ec sao \u0111\u00e0n \u00f4ng c\u00f3 r\u00e2u c\u00f2n ph\u1ee5 n\u1eef th\u00ec kh\u00f4ng?.............. 101 V\u1ec9 sao khi \u0111i, tay ch\u00e2n l\u1ea1i theo nh\u1ecbp ch\u00e9o nhau?........102 sflo c\u00f3 l\u00fac b\u1eafp ch\u00e2n l\u1ea1i b\u1ecb chu\u1ed9t r\u00fat?....................... 102 V\u00ec sao tr\u00ean b\u1ee5ng l\u1ea1i c\u00f3 l\u1ed7 r\u1ed1n?..................................... 103 SCU)khi n\u1eb1tn, tl\u00fat \u0103n v\u1eabn c\u00f3 th\u1ec3\u0111u\u1ecct \u0111i\u1ee9i \u0111\u1ea5t d\u1ea1 d\u00e0y?....103 T\u1ea1i sao l\u1ea1i ph\u1ea3i nhai th\u1ee9c \u0103n?..................................... 104 Con ngi\u1ec9\u1edd\u1ec9 c\u00f3 \u0111u\u00f4i kh\u00f4ng?............................................ 104 sao c\u00f3 c\u01a1 kh\u00f4ng bao g i\u1edd ngh\u1ec9 ng\u01a1i?......................... 105 C\u01a1 thh\u1ec3ttpnsg:\/\u01b0\/t\u1eddhiuvie1ns7a5ch.vn","Gi\u1ea5c m\u01a1 \u0111\u1ebfn v\u1edbi ch\u00fang ta nh\u01b0 th \u1ebf n\u00e0o?..................... 105 T\u1ea1i sao da ngi\u1ec9\u1eddi gi\u00e0 l\u1ea1i nh\u0103n nheo?...........................106 T\u1ea1i sao ng\u01b0\u1eddi ta h\u1eaft x\u00ec?.............................................. 107 V\u0129 sao ch\u00fang ta b\u1ecb ch\u1ea3y n\u01b0\u1edbc m\u0169i?...............................107 V\u00ec sao m\u1ee7i ph\u00e2n bi\u1ec7t \u0111i\u1ec9\u1ee2c m\u00f9i v\u1ecb?..............................107 V\u00ec sao m\u1eaft c\u00f3 m\u00e0u s\u1eafc kh\u00e1c nhau?..............................108 V\u00ec sao k\u00edch thu\u1edbc c\u1ec9ia co\u0129t ngi\u00ed\u01a1i l\u1ea1i thay \u0111\u1ed5i?..............108 V\u00ec sao c\u00f3 c\u1ea3m gi\u00e1c gh\u00ea r\u0103ng khi \u0103n chua?....................109 V\u00ec sao c\u00f3 l\u00fac con ng\u01b0\u1eddi m\u1ea5t kh\u1ea3 n\u0103ng kh\u1ee9u gi\u00e1c?.......109 V\u00ec sao n\u01b0\u1edbc b\u1ecdt c\u00f3 t\u00e1c d\u1ee5ng ti\u00eau h\u00f3a?.......................... 110 V\u00ec sao m\u00f4\u1ec9 c\u00f3 m\u00e0u \u0111\u1ecf?..................................................110 sao sau khi ch\u1ea1m ni\u1ec9\u1edbc nhi\u1ec1u, da c\u1ec9ia \u0111\u1ea7u ng\u00f3n tay, ch\u00e2n thu\u1eddng b\u1ecb nh\u0103n nh\u00fam?.....111 V\u00ec sao cl\u00ed\u00edmg ta n\u1ed5i da g\u00e0?........................................... 111 V\u00ec sao c\u00f3 m\u00e0u t\u00f3c kh\u00e1c nhau?......................................111 sao tr\u1ebb s\u01a1 sinh l\u1ea1t kh\u00f4ng c\u00f3 r\u0103ng?...........................112 sao khi ch\u1ea1y, tim \u0111\u1eadp nhanh h\u01a1n?..........................113 sao c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng c\u01a1 th \u1ec3 ng\u01b0\u1eddi bu\u1ed5i s\u00e1n<^ rao h\u01a1n bu\u1ed5i t\u1ed1i?.......................................... 113 V\u00ec sao c\u00f3 ng\u01b0\u01a1i cao l\u1edbtt, c\u00f3 ngi\u1ec9\u1eddi th\u1ea5p b\u00e9?.................. 114 C\u01a1 th \u1ec3 do nh\u0129\u1eddigg\u00ec t\u1ea1o n\u00ean?....................................... 114 Trong xi\u00ed\u01a1ng c\u00f3 g\u00ec?........................................................115 T\u1ea1i sao ch\u00eding ta l\u1ea1i kh\u00f4ng th \u1ec3 ng\u1ee7 khi m\u1edf m\u1eaft?........115 V\u00ec sao c\u1ea7n ph\u1ea3i ti\u00eam thu\u1ed1c khi b\u1ecb b\u1ec7nh?..................... 117 Trong c\u01a1 th \u1ec3 ngi\u1ec9\u1eddi, t\u1ebf b\u00e0o n\u00e0o d\u00e0i nh\u1ea5t?................... 118 176 https:\/\/thuviensach.vn","V\u00ec sao ngi\u1ec9\u1edd\u1ec9 l\u1edbn kh\u00f4ng cao \u0111t\u1ec9\u1ee2c n\u1eefa?......................... 119 V\u0129 sao \u0111i ti\u1ec3u xong hay b\u1ecb r\u00ecmg m\u00ecnh?.........................119 V\u00ec sao tr\u1ebb con ng\u1ec9i nhi\u1ec1u h\u01a1n ngi\u00ed\u1eddi gi\u00e0?......................120 V\u00ec scw m\u1ed3 h\u00f4i l\u1ea1i m\u1eb7n?................................................. 121 V\u00ec sao ch\u00fang ta l\u1ea1i c\u00f3 c\u1ea3m gi\u00e1c ng\u1ee9a?..........................121 V\u00ec sao l\u1ea1i vi\u00eam Am\u1ec9\u0111an?.............................................. 122 V\u00ec sao ph\u1ea3i l\u1ea5y m\u00e1u \u0111 \u1ec3 x\u00e9t nghi\u1ec7m?........................... 122 V\u00ec sao tu\u1ed5i d\u1eady th\u00ec hay m\u1ecdc tr\u1ee9ng c\u00e1?..........................123 C\u01a1 th \u1ec3 con ngu\u1eddi c\u00f3 th \u1ec3 ph\u00e1t tri\u1ec3n \u0111\u1ebfn khi n\u00e0o?........ 124 V\u00ec sao b\u00e1c s\u0129 kh\u00e1m b\u1ec7nh hay xem lu\u1ee1i b\u1ec7nh nh\u00e2n?.... 125 T\u01b0 th\u00ea ng\u1ec9i n\u00e0o t\u1ed1t?......................................................126 C\u01a1 th \u1ec3 con ngit\u1eddi do bao nhi\u00eau t \u1ebf b\u00e0o t\u1ea1o th\u00e0nh?.......127 V\u00ec sao c\u00f3 hi\u1ec7n t\u01b0\u1ee2ng stress?......................................... 127 Gan c\u00f3 ch\u1ee9c n\u0103ng g\u00ec?....................................................129 Hi\u00ean m\u00e1u c\u00f3 \u1ea3nh ht\u1ec9\u1edfng \u0111\u1ebfn s\u00ed(c kh\u1ecfe kh\u00f4ng?............ 129 V\u00ec sao khi ngh\u1ecbch tuy\u1ebft, tay c\u1ea3m th\u1ea5y n\u00f3ng l\u00ean?........ 130 Tri th\u00f4ng minh v\u00e0 tr\u00ed nh\u1edb c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t kh\u00f4ng?.......132 V\u00ec sao v\u00f9a v\u1eadn \u0111\u1ed9ngxong k h \u00e0g \u0111u\u1ee2:t\u1eafm m \u00e1: l\u1ea1nh ngay?..133 sao ph\u1ea3i truy\u1ec1n d\u1ecbch cho ngii\u1eddi b\u1ec7nh?.................... 133 V\u00ec sao ngi\u1ec9\u1eddi b\u1ec7nh c\u1ea7n truy\u1ec1n \u1ed1xy................................134 sao ph\u1ea3i \u0103n s\u00e1ng m\u1edbi t\u1ed1t?........................................135 T\u1eadp t\u1ea1 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi\u1ec1u cao kh\u00f4ng?.................136 V\u00ec sao c\u00f3 hi\u1ec7n ti\u1ec9\u1ee2ng b\u00e9o ph\u00ec?.......................................137 T \u1ebf b\u00e0o c\u00f3 h\u00ecnh d\u1ea1ng g\u00ec?................................................138 Cott ng\u01b0\u1eddi c\u00f3 bao nhi\u00eau kh\u00fac x\u01b0\u01a1ng?...........................138 C\u01a1 th\u1ec3httnpgs\u01b0:\/\/\u1eddthi uvie1n7s7ach.vn","Khi m\u00ed\u1edfo \u0111t\u1ee2: Ii\u1ea5ig v\u00e0o c\u01a1 t\u1ec9\u1ec1 s \u1ebd c\u00f3 \u0129t\u1ec9n\u1edftg bi\u1ebfti \u0111\u1ed5ig\u00ec?....13'. sao m\u0169i c\u00f3 d\u1ecbch nh\u1edbt?..............................................141 T\u00e1c d\u1ee5ng c\u1ec9ia t \u1ebf b\u00e0o l\u00e0 g\u00ec?........................................... 142 V\u00ec sao ch\u00e2n c\u1ee7a c\u1ec9n\u00edng ta kh\u00f4ng b\u1eb1ng nhau?.............. 143 V\u00ec sao con trai l\u1ea1i b\u1ecb l\u1ed9 h\u1ea7ii?........................................ 144 M \u1eaft c\u1ee7a tr\u1ebb s\u01a1 sinh c\u00f3 th \u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3cg\u00ec?...........145 D\u1ea1 d\u00e0y ch\u1ee9a kho\u1ea3ng bao nhi\u00eau th\u1ee9c \u0103n?.................... 146 T\u1ea1i sao l\u00f4ng t\u01a1 c\u00f3 th \u1ec3 \u0111i\u00ecHg th\u1eb3ng \u0111\u01b0\u1ee2c?.................... 146 Ru\u1ed9t non c\u00f3 t\u00e1c d\u1ee5ng g\u00ec?............................................. 147 T\u1ea1i sao m\u00e1u c\u00f3 v\u1ecb m\u1eb7n?...............................................147 Do \u0111\u00e0u m \u1eaft c\u1eed \u0111\u1ed9ng \u0111\u01b0\u1ee2c?...........................................148 Y\u1ebfu t\u1ed1 g\u00ec ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3?.......................... 148 C\u00f2ng \u0129i\u0103ng \u1ea3 ia hai l\u1ed7 m\u1ee7i c\u00f3 gi\u1ed1ng nhcai kh\u00f4ng?....... 149 V\u00ec sao ta kh\u00e1t n\u01b0\u1edbc?......................................................150 Da l\u00e0 g\u00ec?.........................................................................151 Da c\u1ee7a ch\u00fang ta d\u00f9ng \u0111 \u1ec3 l\u00e0m g\u00ec?.................................152 T\u1ea1i sao ch\u00fang ta l\u1ea1i bu\u1ed3n ti\u1ec3u?....................................153 C\u1ea5u t\u1ea1o c\u1ee7a l\u00f4ng t\u00f3c nh\u01b0 th \u1ebf m o?.............................. 154 X\u01b0\u01a1ng n\u00e0o l\u1edbn nh\u1ea5t trong c\u01a1 th \u1ec3 ch\u00fang ta?................ 155 Xit\u00ec\u01a1ng a it l\u00e0 g\u00ec?.............................................................156 sao m\u00e1u \u0111\u00f4ng?.......................................................... 156 C\u01a1 qm n n\u00e0o nh\u1eadn \u0111\u01b0\u1ee2c nhi\u1ec1u m\u00e1u nh\u1ea5t?.................. 157 V\u00ec sao mi\u1ec7ng c\u1ee7a ch\u00fang ta ti\u1ebft ra m\u00ed\u1edfc?.....................157 C\u1ed9t s\u1ed1ng \u0111\u01b0\u1ee2c c\u1ea5u t\u1ea1o nh\u01b0 th\u00ea n\u00e0o?............................158 sao ngi\u1ec9\u1eddi ng\u00e3 xu\u1ed1ng Bi\u1ec3n Ch\u1ebft kh\u00f4ng ch\u00ecm?.........158 178 https:\/\/thuviensach.vn","\u0110i\u1ec1u \u1ecb\u1eca\u00cc di\u1ec5n ra khi ta n<\u1ea1'Ca da?...................................160 K\u1ec9li \u00ec\u1ee9ty\u00e0 h\u01a1i, con ngi\u00e1\u1ec9i ta c\u00f3 th\u1ec3 b\u1ecb n\u1ed5 tung ra kh\u00f4ng? 160 C\u00f3 th\u1ef1c l\u00e0 nh\u1eefng ngu\u1eebi thu\u1eadn tay tr\u00e1i c\u00f3 t\u00edt duy \u0111\u1ed9c \u0111\u00e1o h\u01a1n kh\u00f4ng?......................................161 V\u1ec9 sao hai anh em sinh \u0111\u00f4i l\u1ea1i c\u00f3 v\u00e2n tay kh\u00e1c nhau?...161 V\u00ec sao ngi\u1ec9\u1eddi ta l\u1ea1i m\u1ed9ng du?....................................... 161 T\u1ea1i sao khi da b\u1ecb x\u00e2y x\u00e1t l\u1ea1i ch\u00e0y ra nit\u00f4c v\u00e0ng?........163 V\u00ec sao v\u1ec1 m\u00f9a \u0111\u00f4ng mi\u1ec7ng n\u00f3i ra h\u01a1i tr\u1eafng?.............. 163 V\u00ec sao ngi\u1ec9\u1eddi gi\u00e0 b\u1ecb c\u00f2ng l\u01b0ng?..................................... 164 T\u1ea1i sao c\u00f3 lo\u1ea1i t\u00f3c xo\u0103n?.............................................. 164 V\u1ec9 sao c\u00f3 nhi\u1ec1u m\u00e0u t\u00f3c kh\u00e1c nhau?........................... 165 V\u00ec sao th\u1eddi k\u1ef3 mang thai c\u1ec9ia ngi\u1ec9\u1eddi l\u00e0 9 th\u00e1ng?......... 166 Thai nhi l\u1edbn l\u00ean \u1edfb\u1ed9 ph\u1eadn n\u00e0o trong c\u01a1th\u1ec3ngiM m\u1eb9?... 167 Tim c\u1ec9ia thai nhi b\u1eaft \u0111\u1ea7u \u0111\u1eadp t\u00eccl\u00fac n\u00e0o?................... 168 sao tr\u1ebb s\u01a1 sinh kh\u00f3c nhi\u1ec1u th\u1ebf?...............................168 T\u1ea1i sao con l\u1ea1i gi\u1ed1ng b\u1ed1 m \u1eb9?....................................... 168 M\u00e0u da b\u1ed1 m \u1eb9 kh\u00e1c nhau th\u00ec con s\u1ebd c\u00f3 m\u00e0u da g\u00ec?....169 Ch\u00fang ta c\u1ea7n nh\u1eefng vitamin n\u00e0o?...............................170 C\u01a1 th\u1ec3htntpgs\u01b0:\/\u1edd\/thi uvi1en7s9ach.vn","10 V\u1ea0N C\u00c2U H \u1ede I V\u00cc SAO? 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B\u00f9i Vi\u1ec7t B\u1eafc Ch\u1ecbu tr\u00e1ch nhi\u1ec7m n\u1ed9i dung: 'lo\u00ec\u00ecg b i\u00ea u l\u1ead p : L\u00fd B\u00e1 'Lo\u00e0n B i\u00ean t\u1eadp : Nguy\u1ec5n Tli\u1ebf Vinh T h i\u00eat k\u00ea' b\u00eca: L\u00ea 'Lhu Hi\u1ec1n S\u1eeda b \u1ea3 n in: Mai Vinh - Ng\u1ecdc Lam LI\u00caN K\u1ebeT XV\u1ea4T B\u1ea2N: C\u00d4NG TY TNHH \u0110T & PT V\u00c1N HO\u00c1 VI\u1ec6T NH\u00c0 S\u00c1CH TR\u00cd \u0110\u1ee8C 808 \u0110\u01b0\u1eebng L\u00e1ng - \u0110\u1ed1ng \u0110a - H\u00e0 N\u1ed9i 'l'el: (04) 37757091 - Fax: (04) 32595016 \\\\\\\\\u2019\\\\\\\\'\\\\v.nhasachtriduc.com.\\\\n In 3000 cu\u00f4'n, kh\u1ed5 13x20.5cm, t\u1ea1i C\u00f4ng ty TNHH TM Thu\u1eadn Ph\u00e1t, Th\u00f4n V\u0103n Tr\u00ec, X\u00e3 Mir\u1eefi Khai, Huy\u1ec7n T\u1eeb Li\u00eam, H\u00e0 N\u1ed9i. C\u0103n c\u1ee9 tr\u00ean s\u00f4\u2019 \u0111\u0103ng k\u00fd k\u1ebf ho\u1ea1ch xu\u00e2\u2019t b\u1ea3n: 1045- 2015\/C X BIPH \/45-25\/H \u0110 v\u00e0 quy\u00eat \u0111\u1ecbnh s\u1ed1: 1117\/Q\u0110-NXBH\u0110 ng\u00e0y 11\/5\/2015. In xong v\u00e0 n\u1ed9p l\u01b0u chi\u1ec3u qu\u00fd III n\u0103m 2015. https:\/\/thuviensach.vn","Ky-'- \u25a0 V\u00ec SAO M\u00c1U L\u1ea0I B\u1ed9 n\u00f5o ghi nh\u1edb s\u1ef1 vi\u1ec7c b\u1ed3ng c\u00e1ch n\u00f2o? C\u00d3 M\u00c0U \u0110 \u1ecf? Do c\u00f3 t\u00f3c d\u1ee5ng nh\u01b0 bh\u00e9 n\u00f2o? c\u1ee7a c\u01a1 th\u1ec3 ng\u01b0\u1eddiI V i sqo ch\u00fang bQ c\u00f3 th\u1ec3 c\u1eed d\u1ed9ng \u1ee1u\u1ee3c? Vi SQO to l\u1ecdi n\u1ed3m m\u01a1? v\u00e0 c\u00e1c \u0111\u1ed9ng v\u1eadt b\u1eadc cao ,5 V\u00ec SQO m\u00f4i c\u00f3 m\u00f2u d\u1ecf? \u0111\u1ec1u c\u00f3 h\u1ed5ng c\u1eafu (h\u1ed5ng Vi SCO khi ch\u1ecd\u1ee5 tim d\u1eadp nhonh h\u01a1n? .................\u1ecd huy\u1ebft c\u1ea7u), ch\u1ee9a ch\u1ea5t \u0129 \u2022J hemoglobin (Hb) c\u00f3 \u0111\u1eb7c t\u00ednh khi k\u1ebft h\u1ee3p v\u1edbi O2 c\u00f3 m\u00e0u \u0111\u1ecf t\u01b0\u01a1i, khi k\u1ebft h\u1ee3p v\u1edbi CO2 c\u00f3 m\u00e0u \u0111\u1ecf s\u1eabm, 11 ch\u00ednh v\u00ec v\u1eady m\u00e0 t\u1ebf b\u00e0o h\u1ed1ng c\u00e1u c\u00f3 m\u00e0u \u0111\u1ecf. Trong m\u1ed9t gi\u1ecdt m\u00e1u c\u00f3 v\u00e0i tri\u1ec7u h\u1ed5ng c\u1ea9u. V\u1edbi s\u1ed1 n n l\u01b0\u1ee3ng h\u00f3ng c\u1ea9u n h i\u1ec3 \u00f9 |i\u1ecaj nh\u01b0v\u1eady, n\u00f3 mang l\u1ea1i m ^ \u00ed\u1ef5 li \u2018 \u0111\u1ecf cho m\u00e1u. \u2018\u25a0 ISBN:978-6PF3\u1ec9 T5658-4 10 v\u1ea1n c\u00e2u h\u1ecfi vi sao? - C\u01a1 th\u1ec3 ng\u01b0\u1eddi TRIDUCBOCKS 935039 0 12279 SQ housBof know\u00edB\u01a0ge ^ GhIt\u00c1tps\u25a0:\/\/th0u00viensach.vn"]