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心脏有四个室腔，其中左心室的结构特点有（）

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心脏有四个室腔，其中左心室的结构特点有（）

A.室壁比右心室厚

B.出口为主动脉

C.出口为肺动脉

D.房室口上有二尖瓣

参考答案:

答案：室壁比右心室厚；出口为主动脉；房室口上有二尖瓣

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