Sim-ch?ng s? chek-chui t?ng-bu?t 1 chiong kin-bah cho?-seng e khi-koan , l?i-te-b?n khang-khang, h?-chek k? hoeh thau-koe hoeh-k?g (blood vessel) sang kau kui sin-khu. Sim-ch?ng ti?ⁿ-tio?h chin ? kui-lu?t leh siu-siok. Sim-ch?ng e sim-kin (cardiac muscle) s? 1 khoan put-sui-i-kin (involuntary muscle), choan-to? ?ng tiam sim-ch?ng, chin iong.

Khoan-heng t?ng-bu?t (annelid), n?g-the t?ng-bu?t (mollusk), kap chat-kha t?ng-bu?t (arthropod) m? ? kong-leng chhan-chhi?ⁿ e kiat-ko?.

Pun bun-chiuⁿ s? chi?t phiⁿ phi-a-kiaⁿ . Li thang tau khok-chhiong lai pang-ch?? Wikipedia. hian l?n pian