Thethoraxisatruncatedconicalbodycavitywith
2022-08-21 18:25 动物解剖生理
The thorax is a truncated conical body cavity with the thorax as the frame and attached to the chest wall muscle and skin. The cavity can be enlarged and reduced with the help of pectoralis muscle group.
A.正确
B.错误
正确答案:正确
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