Form and Function B.7 Transport (id: aced70051)

本题目来源于试卷: Form and Function B.7 Transport，类别为 IB生物学

[单选题]
The image below represrz )csatw:r(6ejq9 7wi9pgufn g: ;9c28vlvkd;cg;cnpb8sk/ nts the changes in pressure in the left atrium, left ventricle and tl8pfnu b2p8k j;dvqsg9 /7;c9gn: ckc v9iw;ghe aorta.

At point II in the diagram, which of the following is likely to take place?

A. Atrioventricular valves close
B. Semilunar valves open
C. Semilunar valves close
D. Atrioventricular valves open


参考答案:  B


本题详细解析:

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