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A-LevelBiologyTransport in mammals9700/12 · Oct/Nov 2017 · Q311 Mark

Which statement about the human circulatory system is correct?

ABlood passes twice through the heart in one complete circulation.
BBlood, tissue fluid and lymph are all parts of the circulatory system.
CCapillaries have the lowest blood pressure.
DVeins in the circulatory system all carry deoxygenated blood.

✓ Correct answer

A: Blood passes twice through the heart in one complete circulation.

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About this question

Topic
Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Oct/Nov 2017 Paper 1 Variant 2, question 31.

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