A.腎小體 B.近端小管 C.遠端小管 D.集合管
A.腺胃和肌胃 B.腺胃和網(wǎng)胃 C.網(wǎng)胃和瘤胃 D.瘤胃和肌胃
A.樹突 B.神經(jīng)細胞體 C.神經(jīng)細胞核 D.神經(jīng)纖維