The two upper chambers of the heart are called _.A．vena cavaB．aortaC．atriaD．artery
The two upper chambers of the heart are called _.
A、vena cava
B、aorta
C、atria
D、artery
发布时间：2026-02-04 13:17:12
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答案：C
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- 1.The two upper chambers of the heart are called _.A．vena cavaB．aortaC．atriaD．artery
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