A-LevelBiologyTransport in mammals9700/12 · Feb/Mar 2022 · Q341 Mark

The graph shows the pressure changes in three structures of the right side of the heart during the cardiac cycle. What is represented by the line labelled T? [Figure 34.1]

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Apressure changes in the pulmonary artery

Bpressure changes in the right atrium

Cpressure changes in the right ventricle

Dpressure changes in the vena cava

✓ Correct answer

A: pressure changes in the pulmonary artery

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2022 Paper 1 Variant 2, question 34.

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