题目内容
关于心的说法,恰当的是()
2021-11-29
A.位于朐腔中纵隔内
B.心纵轴与身体中线平行
C.约2/3在身体正中面右側
D.约1/3在身体正中面左側
E.前方为胸骨体和第2〜6肋骨
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