B\u00e0i 1 (trang 113 SGK Sinh 11):<\/b>\u00a0Ph\u00e2n bi\u1ec7t c\u1ea5u t\u1ea1o h\u1ec7 th\u1ea7n kinh \u1ed1ng v\u1edbi h\u1ec7 th\u1ea7n kinh d\u1ea1ng l\u01b0\u1edbi v\u00e0 h\u1ec7 th\u1ea7n kinh d\u1ea1ng chu\u1ed7i h\u1ea1ch.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
* H\u1ec7 th\u1ea7n kinh d\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh n\u1eb1m r\u1ea3i r\u00e1c trong c\u01a1 th\u1ec3 v\u00e0 li\u00ean h\u1ec7 v\u1edbi nhau b\u1eb1ng c\u00e1c s\u1ee3i th\u1ea7n kinh.<\/p>\n
* H\u1ec7 th\u1ea7n kinh d\u1ea1ng chu\u1ed7i h\u1ea1ch \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh t\u1eadp h\u1ee3p l\u1ea1i th\u00e0nh c\u00e1c h\u1ea1ch th\u1ea7n kinh n\u1eb1m d\u1ecdc theo chi\u1ec1u d\u00e0i c\u1ee7a c\u01a1 th\u1ec3.<\/p>\n
* H\u1ec7 th\u1ea7n kinh \u1ed1ng h\u00ecnh th\u00e0nh nh\u1edd s\u1ed1 l\u01b0\u1ee3ng r\u1ea5t l\u1edbn c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh t\u1eadp h\u1ee3p l\u1ea1i th\u00e0nh m\u1ed9t \u1ed1ng th\u1ea7n kinh n\u1eb1m d\u1ecdc theo v\u00f9ng l\u01b0ng c\u1ee7a c\u01a1 th\u1ec3, c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh t\u1eadp trung m\u1ea1nh \u1edf ph\u00eda \u0111\u1ea7u d\u1eabn \u0111\u1ebfn n\u00e3o b\u1ed9 ph\u00e1t tri\u1ec3n.<\/p>\n
B\u00e0i 2 (trang 113 SGK Sinh 11):<\/b>\u00a0Khi b\u1ecb k\u00edch th\u00edch, ph\u1ea3n \u1ee9ng c\u1ee7a \u0111\u1ed9ng v\u1eadt c\u00f3 h\u1ec7 th\u1ea7n kinh \u1ed1ng c\u00f3 g\u00ec kh\u00e1c v\u1edbi \u0111\u1ed9ng v\u1eadt c\u00f3 h\u1ec7 th\u1ea7n kinh d\u1ea1ng l\u01b0\u1edbi v\u00e0 h\u1ec7 th\u1ea7n kinh d\u1ea1ng chu\u1ed7i h\u1ea1ch? Cho v\u00ed d\u1ee5 minh h\u1ecda.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Khi b\u1ecb k\u00edch th\u00edch ph\u1ea3n \u1ee9ng c\u1ee7a \u0111\u1ed9ng v\u1eadt c\u00f3 h\u1ec7 th\u1ea7n kinh \u1ed1ng kh\u00e1c v\u1edbi \u0111\u1ed9ng v\u1eadt c\u00f3 h\u1ec7 th\u1ea7n kinh d\u1ea1ng chu\u1ed7i h\u1ea1ch v\u00e0 d\u1ea1ng l\u01b0\u1edbi v\u00ec: \u0111\u1ed9ng v\u1eadt c\u00f3 h\u1ec7 th\u1ea7n kinh d\u1ea1ng \u1ed1ng c\u00f3 h\u1ec7 th\u1ea7n kinh (\u0111\u1eb7c bi\u1ec7t l\u00e0 n\u00e3o b\u1ed9) ph\u00e1t tri\u1ec3n, c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00ed th\u00f4ng tin \u1edf m\u1ee9c cao (thu th\u1eadp, ph\u00e2n t\u00edch, so s\u00e1nh, x\u1eed l\u00ed th\u00f4ng tin) do v\u1eady vi\u1ec7c tr\u1ea3 l\u1eddi k\u00edch th\u00edch c\u0169ng nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c h\u01a1n n\u00ean hi\u1ec7u qu\u1ea3 cao h\u01a1n v\u00e0 \u00edt ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng h\u01a1n.<\/p>\n
V\u00ed d\u1ee5: Khi c\u00f3 m\u1ed9t v\u1eadt nh\u1ecdn ch\u1ea1m v\u00e0o c\u01a1 th\u1ec3 th\u1ee7y t\u1ee9c (h\u1ec7 th\u1ea7n kinh d\u1ea1ng l\u01b0\u1edbi) th\u00ec to\u00e0n b\u1ed9 c\u01a1 th\u1ec3 th\u1ee7y t\u1ee9c co r\u1ee5t l\u1ea1i. Khi v\u1eadt nh\u1ecdn ch\u1ea1m v\u00e0o c\u01a1 th\u1ec3 giun \u0111\u1ed1t (h\u1ec7 th\u1ea7n kinh d\u1ea1ng chu\u1ed7i h\u1ea1ch) th\u00ec m\u1ed9t ph\u1ea7n c\u01a1 th\u1ec3 co l\u1ea1i, t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n so v\u1edbi th\u1ee7y t\u1ee9c. Khi v\u1eadt nh\u1ecdn b\u1ea5t ng\u1edd ch\u1ea1m v\u00e0o tay ng\u01b0\u1eddi (h\u1ec7 th\u1ea7n kinh d\u1ea1ng \u1ed1ng) th\u00ec ng\u01b0\u1eddi l\u1eadp t\u1ee9c r\u1ee5t tay l\u1ea1i, t\u1ed1c \u0111\u1ed9 r\u1ea5t nhanh.<\/p>\n
B\u00e0i 3 (trang 113 SGK Sinh 11):<\/b>\u00a0Cho m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 ph\u1ea3n x\u1ea1 c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u1edf \u0111\u1ed9ng v\u1eadt c\u00f3 h\u1ec7 th\u1ea7n kinh h\u00ecnh \u1ed1ng.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 ph\u1ea3n x\u1ea1 c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u1edf \u0111\u1ed9ng v\u1eadt c\u00f3 h\u1ec7 th\u1ea7n kinh \u1ed1ng:<\/p>\n
– H\u01b0\u01a1u nai ngo\u00e0i t\u1ef1 nhi\u00ean s\u1ebd ch\u1ea1y tr\u1ed1n n\u1ebfu th\u1ea5y k\u1ebb th\u00f9.<\/p>\n
– Tr\u01b0\u1edbc khi cho g\u00e0 \u0103n th\u01b0\u1eddng g\u1ecdi g\u00e0 \u0111\u1ec3 ch\u00fang t\u1eadp trung v\u1ec1 m\u1ed9t khu v\u1ef1c, sau v\u00e0i l\u1ea7n, c\u1ee9 nghe ti\u1ebfng g\u1ecdi th\u00ec g\u00e0 s\u1ebd tr\u1edf v\u1ec1 khu v\u1ef1c \u0111\u00f3 \u0111\u1ec3 \u0111\u01b0\u1ee3c ch\u1edd \u0103n.<\/p>\n
– V\u1eadt nu\u00f4i (ch\u00f3, m\u00e8o,\u2026) s\u1ebd ghi nh\u1edb gi\u1ecdng n\u00f3i c\u1ee7a ch\u1ee7 nh\u00e2n. Khi ch\u1ee7 nh\u00e2n g\u1ecdi, ch\u00fang s\u1ebd nhanh ch\u00f3ng c\u00f3 m\u1eb7t.<\/p>\n
– V\u1eb9t c\u00f3 th\u1ec3 n\u00f3i ti\u1ebfng ng\u01b0\u1eddi .<\/p>\n
– G\u1ea5u, voi,\u2026 c\u00f3 th\u1ec3 di\u1ec5n xi\u1ebfc.<\/p>\n","protected":false},"excerpt":{"rendered":"
B\u00e0i 1 (trang 113 SGK Sinh 11):\u00a0Ph\u00e2n bi\u1ec7t c\u1ea5u t\u1ea1o h\u1ec7 th\u1ea7n kinh \u1ed1ng v\u1edbi h\u1ec7 th\u1ea7n kinh d\u1ea1ng l\u01b0\u1edbi v\u00e0 h\u1ec7 th\u1ea7n kinh d\u1ea1ng chu\u1ed7i h\u1ea1ch. L\u1eddi gi\u1ea3i: * H\u1ec7 th\u1ea7n kinh d\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh n\u1eb1m r\u1ea3i r\u00e1c trong c\u01a1 th\u1ec3 v\u00e0 li\u00ean h\u1ec7 v\u1edbi nhau […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1324],"tags":[1486,1485],"yoast_head":"\n