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歡迎您訪問每日必背:人體內分布最廣泛的組織是!

每日必背:人體內分布最廣泛的組織是

更新時間:2024-01-13 22:28:27作者:貝語網校

人體內分布最廣泛的組織是

A.上皮組織

B.結締組織

C.肌肉組織

D.神經組織

試題答案

B

試題解析

人體的基本組織有:上皮組織、肌肉組織、結締組織、神經組織,各有一定的生理功能.據此作答.

解答:A、上皮組織由上皮細胞構成,具有保護、分泌等功能.如皮膚的上皮,小腸腺上皮,消化道壁的內表面等.主要分布在體表和體內各管腔壁的內表面.不符合題意.

B、結締組織的種類很多,分布最廣泛,骨組織、血液、肌腱、韌帶、淋巴、皮下脂肪等都屬于結締組織.具有支持、連接、保護、營養等功能.符合題意.

C、肌肉組織主要由肌細胞構成,具有收縮、舒張功能.如骨骼肌、心肌、平滑肌等.主要分布在骨骼肌、心臟等處.不符合題意.

D、神經組織主要由神經細胞構成,能夠產生和傳導興奮.主要分布在神經系統,不符合題意.

故選:B

點評:只要熟練掌握了人體的基本組織及功能,一般不會出錯.

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