Khái quát về cơ thể người

Home Lớp 8 Khoa học tự nhiên 8 - sách Kết nối tri thức Bài 30: Khái quát về cơ thể ngườiBài tập trung bình

{"common":{"save":0,"post_id":"9385","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9978","post_id":"9385","mon_id":"1159539","chapter_id":"1160063","question":"Khi m\u1ea5t kh\u1ea3 n\u0103ng dung n\u1ea1p ch\u1ea5t dinh d\u01b0\u1ee1ng, c\u01a1 th\u1ec3 chúng ta s\u1ebd tr\u1edf nên ki\u1ec7t qu\u1ec7, \u0111\u1ed3ng th\u1eddi kh\u1ea3 n\u0103ng v\u1eadn \u0111\u1ed9ng c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng n\u1eb7ng n\u1ec1. Ví d\u1ee5 trên ph\u1ea3n ánh \u0111i\u1ec1u gì ?<\/p>","options":["A. Các h\u1ec7 c\u01a1 quan trong c\u01a1 th\u1ec3 có m\u1ed1i liên h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi nhau","B. Dinh d\u01b0\u1ee1ng là thành ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a c\u01a1 và x\u01b0\u01a1ng","C. H\u1ec7 th\u1ea7n kinh và h\u1ec7 v\u1eadn \u0111\u1ed9ng \u0111ã b\u1ecb h\u1ee7y ho\u1ea1i hoàn toàn do thi\u1ebfu dinh d\u01b0\u1ee1ng","D. T\u1ea5t c\u1ea3 các ph\u01b0\u01a1ng án \u0111\u01b0a ra"],"correct":"1","level":"2","hint":"","answer":"\u0110áp án: A. Các h\u1ec7 c\u01a1 quan trong c\u01a1 th\u1ec3 có m\u1ed1i liên h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi nhau<\/strong><\/p>Ví d\u1ee5 trên ph\u1ea3n ánh rõ r\u1eb1ng khi m\u1ed9t ch\u1ee9c n\u0103ng (h\u1ea5p th\u1ee5 ch\u1ea5t dinh d\u01b0\u1ee1ng)<\/strong> b\u1ecb r\u1ed1i lo\u1ea1n, nhi\u1ec1u h\u1ec7 c\u01a1 quan khác<\/strong> c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng theo, \u0111\u1eb7c bi\u1ec7t là h\u1ec7 v\u1eadn \u0111\u1ed9ng. \u0110i\u1ec1u này ch\u1ee9ng t\u1ecf r\u1eb1ng: Các h\u1ec7 c\u01a1 quan trong c\u01a1 th\u1ec3 có m\u1ed1i liên h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi nhau.<\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-06-09 23:09:05","option_type":"txt","len":3},{"id":"9979","post_id":"9385","mon_id":"1159539","chapter_id":"1160063","question":"Ch\u1ee9c n\u0103ng co dãn t\u1ea1o nên s\u1ef1 v\u1eadn \u0111\u1ed9ng, \u0111ây là ch\u1ee9c n\u0103ng c\u1ee7a lo\u1ea1i mô nào sau \u0111ây?<\/p>","options":["A. Mô c\u01a1","B. Mô liên k\u1ebft","C. Mô bi\u1ec3u bì","D. Mô th\u1ea7n kinh"],"correct":"1","level":"2","hint":"","answer":"\u0110áp án: A. Mô c\u01a1<\/strong><\/p><ul> <li data-end=\"275\" data-start=\"108\">Mô c\u01a1<\/strong>: Có kh\u1ea3 n\u0103ng co rút và dãn ra, t\u1ea1o nên s\u1ef1 v\u1eadn \u0111\u1ed9ng<\/strong> c\u1ee7a c\u01a1 th\u1ec3 (v\u1eadn \u0111\u1ed9ng ch\u1ee7 \u0111\u1ed9ng nh\u01b0 \u0111i l\u1ea1i, ch\u1ea1y nh\u1ea3y ho\u1eb7c v\u1eadn \u0111\u1ed9ng t\u1ef1 \u0111\u1ed9ng nh\u01b0 tim \u0111\u1eadp, ru\u1ed9t co bóp).<\/p><\/li> <li data-end=\"346\" data-start=\"276\">Mô liên k\u1ebft<\/strong>: Có ch\u1ee9c n\u0103ng liên k\u1ebft, nâng \u0111\u1ee1, b\u1ea3o v\u1ec7 các c\u01a1 quan.<\/p><\/li> <li data-end=\"410\" data-start=\"347\">Mô bi\u1ec3u bì<\/strong>: Che ph\u1ee7, b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 và các c\u01a1 quan.<\/p><\/li> <li data-end=\"466\" data-start=\"411\">Mô th\u1ea7n kinh<\/strong>: Truy\u1ec1n và x\u1eed lý tín hi\u1ec7u th\u1ea7n kinh.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-06-09 23:09:47","option_type":"txt","len":2},{"id":"9980","post_id":"9385","mon_id":"1159539","chapter_id":"1160063","question":"H\u1ec7 c\u01a1 \u1edf ng\u01b0\u1eddi \u0111\u01b0\u1ee3c phân chia thành m\u1ea5y lo\u1ea1i mô ?<\/p>","options":["A. 5 lo\u1ea1i","B. 4 lo\u1ea1i","C. 3 lo\u1ea1i","D. 2 lo\u1ea1i"],"correct":"3","level":"2","hint":"","answer":"\u0110áp án: C. 3 lo\u1ea1i<\/strong><\/p>H\u1ec7 c\u01a1 \u1edf ng\u01b0\u1eddi \u0111\u01b0\u1ee3c chia thành 3 lo\u1ea1i mô c\u01a1<\/strong>, \u0111ó là:<\/p><ol data-end=\"418\" data-start=\"132\"> <li data-end=\"220\" data-start=\"132\">C\u01a1 vân<\/strong> (hay c\u01a1 x\u01b0\u01a1ng): \u0111i\u1ec1u khi\u1ec3n có ý th\u1ee9c, g\u1eafn v\u1edbi x\u01b0\u01a1ng, giúp v\u1eadn \u0111\u1ed9ng c\u01a1 th\u1ec3.<\/p><\/li> <li data-end=\"314\" data-start=\"221\">C\u01a1 tr\u01a1n<\/strong>: \u0111i\u1ec1u khi\u1ec3n không ý th\u1ee9c, có \u1edf thành các c\u01a1 quan n\u1ed9i t\u1ea1ng nh\u01b0 d\u1ea1 dày, ru\u1ed9t,...<\/p><\/li> <li data-end=\"418\" data-start=\"315\">C\u01a1 tim<\/strong>: ch\u1ec9 có \u1edf tim, co bóp t\u1ef1 \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m c\u1ea5u t\u1ea1o gi\u1ed1ng c\u01a1 vân nh\u01b0ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u01a1 tr\u01a1n.<\/p><\/li> <li data-end=\"418\" data-start=\"315\">Vì v\u1eady, h\u1ec7 c\u01a1 \u1edf ng\u01b0\u1eddi g\u1ed3m 3 lo\u1ea1i mô<\/strong>.<\/p><\/li><\/ol>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-06-09 23:11:11","option_type":"txt","len":0}]}