A-LevelBiologyTransport in mammals9700/12 · May/June 2012 · Q291 Mark

The graph shows the pressure changes in different areas of the left side of the heart during one cardiac cycle. [Figure 29.1] Which row shows the pressure changes in each part of the heart?

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Aleft atrium: X, left ventricle: Y, aorta: Z

Bleft atrium: Y, left ventricle: Z, aorta: X

Cleft atrium: Z, left ventricle: X, aorta: Y

Dleft atrium: Z, left ventricle: Y, aorta: X

✓ Correct answer

D: left atrium: Z, left ventricle: Y, aorta: X

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2012 Paper 1 Variant 2, question 29.

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