A-LevelBiologyTransport in mammals9700/12 · May/June 2019 · Q271 Mark

The diagram shows a cross-section through a mammalian heart. [Figure: Cross-section of a mammalian heart with W and X labelled] Which chambers of the heart are represented by W and X?

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AW: left ventricle, X: right ventricle

BW: right atrium, X: left atrium

CW: right atrium, X: right ventricle

DW: right ventricle, X: left ventricle

✓ Correct answer

D: W: right ventricle, X: left ventricle

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2019 Paper 1 Variant 2, question 27.

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