T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum<\/p>\n\n\n\n
N\u00f3i m\u1ed9t c\u00e1ch gi\u1ea3n d\u1ecb m\u00e1u l\u01b0u chuy\u1ec3n v\u00ec n\u00f3 \u0111\u01b0\u1ee3c tr\u00e1i tim \u201cb\u01a1m, h\u00fat\u201d v\u00e0 c\u00e1c t\u0129nh m\u1ea1ch, \u0111\u1ed9ng m\u1ea1ch ch\u1ec9 l\u00e0 c\u00e1i \u201c\u1ed1ng\u201d chuy\u00ean ch\u1edf m\u00e1u l\u01b0u chuy\u1ec3n \u0111i, v\u1ec1. Khi l\u01b0u chuy\u1ec3n, m\u00e1u t\u1eeb ph\u1ed5i ch\u1edf theo oxy t\u1eeb ph\u1ed5i v\u00e0 \u201cl\u01b0\u01a1ng th\u1ef1c\u201d t\u1eeb b\u1ed9 ph\u1eadn ti\u00eau h\u00f3a \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn trong c\u01a1 th\u1ec3 v\u00e0 khi tr\u1edf v\u1ec1, n\u00f3 ch\u1edf theo c\u00e1c ch\u1ea5t b\u00e3, ph\u1ebf th\u1ea3i t\u1eeb c\u00e1c t\u1ebf b\u00e0o th\u1ea3i ra.<\/p>\n\n\n\n
C\u00f3 hai h\u1ec7 th\u1ed1ng \u1ed1ng: m\u1ed9t l\u1edbn, m\u1ed9t nh\u1ecf. C\u1ea3 hai \u0111\u1ec1u g\u1eafn v\u1edbi tim – \u201cc\u00e1i m\u00e1y b\u01a1m, h\u00fat\u201d – nh\u01b0ng hai h\u1ec7 th\u1ed1ng \u1ea5y l\u1ea1i kh\u00f4ng th\u00f4ng v\u1edbi nhau. H\u1ec7 th\u1ed1ng huy\u1ebft qu\u1ea3n nh\u1ecf \u0111i t\u1eeb tim \u0111\u1ebfn ph\u1ed5i v\u00e0 t\u1eeb ph\u1ed5i tr\u1edf l\u1ea1i tim. H\u1ec7 th\u1ed1ng l\u1edbn \u0111i t\u1eeb tim \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a c\u01a1 th\u1ec3. H\u1ec7 th\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed9ng m\u1ea1ch, t\u0129nh m\u1ea1ch v\u00e0 mao qu\u1ea3n. \u0111\u1ed9ng m\u1ea1ch v\u1eadn chuy\u1ec3n m\u00e1u \u0111\u1ecf t\u1eeb tim \u0111i kh\u1eafp c\u01a1 th\u1ec3. T\u0129nh m\u1ea1ch d\u1eabn m\u00e1u \u201c\u0111en\u201d t\u1eeb kh\u1eafp b\u1ed9 ph\u1eadn c\u01a1 th\u1ec3 v\u1ec1 tim. C\u00e1c mao qu\u1ea3n l\u00e0 nh\u1eefng m\u1ea1ch m\u00e1u nh\u1ecf li ti v\u1eadn chuy\u1ec3n m\u00e1u t\u1eeb \u0111\u1ed9ng m\u1ea1ch t\u1edbi t\u0129nh m\u1ea1ch.<\/p>\n\n\n\n
B\u00e2y gi\u1edd ta n\u00f3i \u0111\u1ebfn \u201cc\u00e1i b\u01a1m\u201d t\u1ee9c l\u00e0 tr\u00e1i tim. Gi\u1ed1ng nh\u01b0 m\u1ed9t ng\u00f4i nh\u00e0 g\u1ed3m hai c\u0103n c\u00f3 l\u1ea7u. Hai c\u0103n tr\u00ean l\u1ea7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00e2m nh\u0129 ph\u1ea3i v\u00e0 tr\u00e1i. Hai c\u0103n \u201ctr\u1ec7t\u201d \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00e2m th\u1ea5t ph\u1ea3i v\u00e0 tr\u00e1i.<\/p>\n\n\n\n
N\u1ebfu ph\u1ea3i v\u1ea1ch l\u1ed9 tr\u00ecnh c\u1ee7a m\u1ed9t gi\u1ecdt m\u00e1u l\u01b0u chuy\u1ec3n kh\u1eafp c\u01a1 th\u1ec3 th\u00ec l\u1ed9 tr\u00ecnh \u1ea5y nh\u01b0 sau: gi\u1ecdt m\u00e1u sau khi \u0111\u01b0\u1ee3c cung c\u1ea5p oxy \u1edf ph\u1ed5i s\u1ebd xu\u1ed1ng t\u00e2m nh\u0129 th\u1ea5t tr\u00e1i (l\u1ea7u ph\u00eda tr\u00e1i) t\u1eeb \u0111\u00f3 \u0111i xu\u1ed1ng t\u1ea7ng tr\u1ec7t tr\u00e1i, r\u1ed3i \u0111\u1ebfn \u0111\u1ea1i \u0111\u1ed9ng m\u1ea1ch (orta). M\u00e1u \u0111\u1ecf theo \u0111\u1ea1i \u0111\u1ed9ng m\u1ea1ch qua c\u00e1c \u0111\u1ed9ng m\u1ea1ch kh\u00e1c \u0111i kh\u1eafp th\u00e2n th\u1ec3.<\/p>\n\n\n\n
Qua c\u00e1c mao qu\u1ea3n, m\u00e1u s\u1ebd \u0111i t\u1eeb c\u00e1c \u0111\u1ed9ng m\u1ea1ch nh\u1ecf li ti. T\u1eeb c\u00e1c t\u0129nh m\u1ea1ch nh\u1ecf li ti, m\u00e1u \u0111i v\u00e0o c\u00e1c t\u0129nh m\u1ea1ch l\u1edbn h\u01a1n \u0111\u1ec3 tr\u1edf v\u00e0o t\u00e2m nh\u0129 ph\u1ea3i, sau \u0111\u00f3 xu\u1ed1ng t\u00e2m th\u1ea5t ph\u1ea3i, k\u1ebf \u0111\u00f3 theo \u0111\u1ed9ng m\u1ea1ch l\u00ean ph\u1ed5i. T\u1ea1i \u0111\u00e2y, m\u00e1u nh\u1ea3 carbon dioxide v\u00e0 m\u1ed9t ch\u00fat n\u01b0\u1edbc ra r\u1ed3i nh\u1eadn l\u1ea1i oxy v\u00e0 tr\u1edf n\u00ean m\u00e1u \u0111\u1ecf, th\u1ebf l\u00e0 tr\u00f2n m\u1ed9t chu tr\u00ecnh. M\u00e1u \u0111\u1ecf l\u1ea1i s\u1eb5n s\u00e0ng ti\u1ebfp t\u1ee5c l\u1eb7p l\u1ea1i l\u1ed9 tr\u00ecnh nh\u01b0 v\u1eeba m\u00f4 t\u1ea3.<\/p>\n\n\n\n
Trong c\u01a1 th\u1ec3 m\u1ed9t ng\u01b0\u1eddi l\u1edbn, tr\u00e1i tim co (b\u00f3p) v\u00e0 n\u1edf ra m\u1ed7i ng\u00e0y 100.000 c\u00e1i v\u00e0 b\u01a1m di kho\u1ea3ng 3600 gallon m\u00e1u (t\u1ee9c l\u00e0 16,38 l\u00edt) trong 24 gi\u1edd.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum N\u00f3i m\u1ed9t c\u00e1ch gi\u1ea3n d\u1ecb m\u00e1u l\u01b0u chuy\u1ec3n v\u00ec n\u00f3 \u0111\u01b0\u1ee3c tr\u00e1i tim \u201cb\u01a1m, h\u00fat\u201d v\u00e0 c\u00e1c t\u0129nh m\u1ea1ch, \u0111\u1ed9ng m\u1ea1ch ch\u1ec9 l\u00e0 c\u00e1i \u201c\u1ed1ng\u201d chuy\u00ean ch\u1edf m\u00e1u l\u01b0u chuy\u1ec3n \u0111i, v\u1ec1. Khi l\u01b0u chuy\u1ec3n, m\u00e1u t\u1eeb ph\u1ed5i ch\u1edf […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-13687","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=13687"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13687\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}