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 represents the cha2b.9cg ibzidnwz(r 14nges in pressure in the lw(h;h 0mm;ll ieft atrium, left ventr;hll0i ;mhw(m icle and the 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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