T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum<\/p>\n\n\n\n
Tr\u01b0\u1edbc h\u1ebft, n\u00ean minh \u0111\u1ecbnh r\u00f5 \u00fd ngh\u0129a c\u1ee7a t\u1eeb \u201cth\u1edf\u201d. Th\u1edf l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ed3m hai \u0111\u1ed9ng t\u00e1c ch\u1ee7 y\u1ebfu l\u00e0 h\u00edt kh\u00f4ng kh\u00ed v\u00e0o (c\u01a1 th\u1ec3) v\u00e0 t\u1ed1ng th\u1ea3i m\u1ed9t v\u00e0i th\u1ee9 kh\u00ed n\u00e0o \u0111\u00f3 ra (kh\u1ecfi c\u01a1 th\u1ec3). N\u1ebfu n\u00f3i v\u1eady th\u00ec c\u00e2y c\u1ed1i c\u0169ng th\u1edf \u0111\u1ea5y!<\/p>\n\n\n\n
T\u1ea5t c\u1ea3 c\u00e1c sinh v\u1eadt \u0111\u1ec1u ph\u1ea3i th\u1edf \u0111\u1ec3 duy tr\u00ec s\u1ef1 s\u1ed1ng, kh\u00f4ng kh\u00ed ta th\u1edf l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t bao g\u1ed3m nhi\u1ec1u kh\u00ed nh\u01b0 oxy, m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn kh\u00ed carbon dioxide v\u00e0 h\u01a1i n\u01b0\u1edbc.<\/p>\n\n\n\n
Kh\u00ed oxy c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ed1t v\u00e0i lo\u1ea1i th\u1ef1c ph\u1ea9m m\u00e0 c\u01a1 th\u1ec3 c\u1ea7n. Nh\u1eefng ch\u1ea5t th\u1ea3i bao g\u1ed3m h\u01a1i n\u01b0\u1edbc v\u00e0 kh\u00ed carbon dioxide b\u1ecb th\u1ea3i ra kh\u1ecfi c\u01a1 th\u1ec3 m\u1ed9t ph\u1ea7n b\u1eb1ng c\u00e1ch th\u1edf ra.<\/p>\n\n\n\n
C\u00e1ch th\u1edf \u0111\u01a1n gi\u1ea3n nh\u1ea5t c\u00f3 l\u1ebd l\u00e0 c\u00e1ch th\u1edf c\u1ee7a lo\u00e0i s\u1ee9a v\u00e0 nhi\u1ec1u lo\u1ea1i s\u00e2u. Ch\u00fang kh\u00f4ng c\u00f3 c\u01a1 quan h\u00f4 h\u1ea5p g\u00ec c\u1ea3. Kh\u00ed oxy h\u00f2a tan trong n\u01b0\u1edbc m\u00e0 c\u00e1c sinh v\u1eadt n\u00e0y s\u1ed1ng s\u1ebd th\u1ea5m qua da c\u1ee7a ch\u00fang \u0111\u1ec3 v\u00e0o c\u01a1 th\u1ec3. V\u00e0 h\u1ed7n h\u1ee3p kh\u00ed carbon dioxide c\u0169ng th\u1ea5m qua da m\u00e0 tho\u00e1t ra ngo\u00e0i.<\/p>\n\n\n\n
Vi\u1ec7c th\u1edf c\u1ee7a con s\u00e2u \u0111\u1ea5t th\u00ec ph\u1ee9c t\u1ea1p h\u01a1n. Ch\u00fang c\u00f3 m\u1ed9t th\u1ee9 d\u1ecbch \u0111\u1eb7c bi\u1ec7t, c\u00f3 th\u1ec3 coi nh\u01b0 m\u00e1u chuy\u00ean ch\u1edf kh\u00ed oxy t\u1eeb da v\u00e0o c\u00e1c c\u01a1 quan n\u1ed9i t\u1ea1ng \u0111\u1ed3ng th\u1eddi chuy\u00ean ch\u1edf kh\u00ed carbon dioxide t\u1eeb c\u00e1c n\u01a1i n\u00e0y th\u1ea3i ra ngo\u00e0i. Lo\u00e0i \u1ebfch \u0111\u00f4i khi c\u0169ng th\u1edf theo l\u1ed1i n\u00e0y b\u1eb1ng c\u00e1ch d\u00f9ng da nh\u01b0 m\u1ed9t c\u01a1 quan h\u00f4 h\u1ea5p. Nh\u01b0ng ch\u00fang ph\u1ea3i d\u00f9ng ph\u1ed5i \u0111\u1ec3 th\u1edf khi ch\u00fang c\u1ea7n m\u1ed9t l\u01b0\u1ee3ng oxy l\u1edbn h\u01a1n.<\/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 5 – Arkady Leokum Tr\u01b0\u1edbc h\u1ebft, n\u00ean minh \u0111\u1ecbnh r\u00f5 \u00fd ngh\u0129a c\u1ee7a t\u1eeb \u201cth\u1edf\u201d. Th\u1edf l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ed3m hai \u0111\u1ed9ng t\u00e1c ch\u1ee7 y\u1ebfu l\u00e0 h\u00edt kh\u00f4ng kh\u00ed v\u00e0o (c\u01a1 th\u1ec3) v\u00e0 t\u1ed1ng th\u1ea3i m\u1ed9t v\u00e0i th\u1ee9 kh\u00ed n\u00e0o \u0111\u00f3 ra […]<\/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-14520","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\/14520","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=14520"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14520\/revisions"}],"predecessor-version":[{"id":14521,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14520\/revisions\/14521"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}