{"common":{"save":0,"post_id":"9358","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7973","post_id":"9358","mon_id":"1159850","chapter_id":"1160021","question":"<p data-pm-slice=\"0 0 []\">Ý nào không ph\u1ea3i là sai khác v\u1ec1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u01a1 tim so v\u1edbi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u01a1 vân?<\/p>","options":["A. Ho\u1ea1t \u0111\u1ed9ng theo quy lu\u1eadt “t\u1ea5t c\u1ea3 ho\u1eb7c không có gì”.","B. Ho\u1ea1t \u0111\u1ed9ng t\u1ef1 \u0111\u1ed9ng.","C. Ho\u1ea1t \u0111\u1ed9ng theo chu kì.","D. Ho\u1ea1t \u0111\u1ed9ng c\u1ea7n n\u0103ng l\u01b0\u1ee3ng."],"correct":"4","level":"2","hint":"<p>C\u01a1 tim co bóp t\u1ef1 \u0111\u1ed9ng, nh\u1ecbp nhàng, không ph\u1ee5 thu\u1ed9c ý chí, còn c\u01a1 vân co theo ý mu\u1ed1n.<\/p>","answer":"<p>\u0110áp án: <span style=\"color:#16a085;\"><strong>D. Ho\u1ea1t \u0111\u1ed9ng c\u1ea7n n\u0103ng l\u01b0\u1ee3ng.<\/strong><\/span><\/p><p data-end=\"198\" data-start=\"72\">Câu h\u1ecfi yêu c\u1ea7u ch\u1ecdn **ý <strong data-end=\"125\" data-start=\"97\"><em data-end=\"123\" data-start=\"99\">không ph\u1ea3i là sai khác<\/em><\/strong> gi\u1eefa c\u01a1 tim và c\u01a1 vân, t\u1ee9c là m\u1ed9t <strong data-end=\"197\" data-start=\"160\">\u0111\u1eb7c \u0111i\u1ec3m mà c\u1ea3 hai lo\u1ea1i c\u01a1 \u0111\u1ec1u có<\/strong>.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-06-03 23:48:56","option_type":"txt","len":3},{"id":"7974","post_id":"9358","mon_id":"1159850","chapter_id":"1160021","question":"<p data-pm-slice=\"0 0 []\">H\u1ec7 tu\u1ea7n hoàn có ch\u1ee9c n\u0103ng<\/p>","options":["A. V\u1eadn chuy\u1ec3n các ch\u1ea5t vào c\u01a1 th\u1ec3","B. V\u1eadn chuy\u1ec3n các ch\u1ea5t t\u1eeb ra kh\u1ecfi c\u01a1 th\u1ec3","C. V\u1eadn chuy\u1ec3n các ch\u1ea5t t\u1eeb b\u1ed9 ph\u1eadn này \u0111\u1ebfn b\u1ed9 ph\u1eadn khác \u0111\u1ec3 \u0111áp \u1ee9ng cho các ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a c\u01a1 th\u1ec3","D. D\u1eabn máu t\u1eeb tim \u0111\u1ebfn các mao m\u1ea1ch"],"correct":"3","level":"2","hint":"<p>V\u1eadn chuy\u1ec3n O\u2082, CO\u2082, ch\u1ea5t dinh d\u01b0\u1ee1ng, hormone và ch\u1ea5t th\u1ea3i; duy trì cân b\u1eb1ng n\u1ed9i môi.<\/p>","answer":"<p>\u0110áp án:<strong> <span style=\"color:#16a085;\">C. V\u1eadn chuy\u1ec3n các ch\u1ea5t t\u1eeb b\u1ed9 ph\u1eadn này \u0111\u1ebfn b\u1ed9 ph\u1eadn khác \u0111\u1ec3 \u0111áp \u1ee9ng cho các ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a c\u01a1 th\u1ec3<\/span><\/strong><\/p><p>M\u1ecdi s\u1ef1 v\u1eadn chuy\u1ec3n này nh\u1eb1m <strong data-end=\"513\" data-start=\"463\">\u0111\u1ea3m b\u1ea3o các ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng di\u1ec5n ra bình th\u01b0\u1eddng<\/strong>.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-06-03 23:49:34","option_type":"txt","len":3},{"id":"7975","post_id":"9358","mon_id":"1159850","chapter_id":"1160021","question":"<p data-pm-slice=\"0 0 []\">Vì sao \u1edf l\u01b0\u1ee1ng c\u01b0 và bò sát (tr\u1eeb cá s\u1ea5u) có s\u1ef1 pha máu?<\/p>","options":["A. Vì chúng là \u0111\u1ed9ng v\u1eadt bi\u1ebfn nhi\u1ec7t.","B. Vì không có vách ng\u0103n gi\u1eefa tâm nh\u0129 và tâm th\u1ea5t.","C. Vì tim ch\u1ec9 có 2 ng\u0103n.","D. Vì tim ch\u1ec9 có 3 ng\u0103n hay 4 ng\u0103n nh\u01b0ng vách ng\u0103n \u1edf tâm th\u1ea5t không hoàn toàn."],"correct":"4","level":"2","hint":"<p>Máu pha l\u1eabn vì tim ch\u01b0a hoàn toàn ng\u0103n hai vòng tu\u1ea7n hoàn (\u1edf l\u01b0\u1ee1ng c\u01b0\/bò sát tr\u1eeb cá s\u1ea5u).<\/p>","answer":"<p>\u0110áp án: <span style=\"color:#16a085;\"><strong>D. Vì tim ch\u1ec9 có 3 ng\u0103n hay 4 ng\u0103n nh\u01b0ng vách ng\u0103n \u1edf tâm th\u1ea5t không hoàn toàn.<\/strong><\/span><\/p><p data-end=\"331\" data-start=\"124\">\u1ede <strong data-end=\"161\" data-start=\"126\">l\u01b0\u1ee1ng c\u01b0 và bò sát (tr\u1eeb cá s\u1ea5u)<\/strong>, <strong data-end=\"187\" data-start=\"163\">tim th\u01b0\u1eddng có 3 ng\u0103n<\/strong>: 2 tâm nh\u0129 và <strong data-end=\"216\" data-start=\"202\">1 tâm th\u1ea5t<\/strong> (\u1edf bò sát cao h\u01a1n có <strong data-end=\"266\" data-start=\"238\">vách ng\u0103n ch\u01b0a hoàn toàn<\/strong>, t\u1ea1o thành tâm th\u1ea5t g\u1ea7n nh\u01b0 \u0111ôi nh\u01b0ng v\u1eabn có <strong data-end=\"329\" data-start=\"312\">s\u1ef1 thông nhau<\/strong>).<\/p><p data-end=\"519\" data-start=\"333\">Do \u0111ó, <strong data-end=\"427\" data-start=\"342\">máu giàu oxy t\u1eeb tâm nh\u0129 trái và máu nghèo oxy t\u1eeb tâm nh\u0129 ph\u1ea3i cùng \u0111\u1ed5 v\u1ec1 tâm th\u1ea5t<\/strong>, và do <strong data-end=\"463\" data-start=\"435\">vách ng\u0103n ch\u01b0a hoàn toàn<\/strong>, <strong data-end=\"484\" data-start=\"465\">máu b\u1ecb pha tr\u1ed9n<\/strong> tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c b\u01a1m \u0111i nuôi c\u01a1 th\u1ec3.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-06-03 23:50:35","option_type":"txt","len":3}]}