192.鼻子的兩邊各有一個錐形的骨,可防污染物跑進肺內,此骨名叫:
(A)中膈
(B)鼻甲
(C)會厭
(D)鼻咽
答案:登入後查看
統計: A(222), B(516), C(43), D(163), E(0) #2489234
統計: A(222), B(516), C(43), D(163), E(0) #2489234