A-LevelBiologyTransport in mammals9700/12 · Feb/Mar 2016 · Q311 Mark
The graph shows the changes that take place in the volume of the left ventricle during one cardiac cycle. Which point on the graph represents the start of atrial systole? [Figure 31.1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
APoint A
BPoint B
CPoint C
DPoint D
✓ Correct answer
C: Point C
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