A.肝臟 B.有核細(xì)胞和紅細(xì)胞 C.心臟 D.肺臟
A.肝臟 B.氣管及支氣管 C.大腸 D.肌肉
A.住白細(xì)胞蟲(chóng) B.組織滴蟲(chóng) C.鹿網(wǎng)尾線(xiàn)蟲(chóng) D.透明前殖吸蟲(chóng)