A-LevelBiologyTransport in mammals9700/12 · Feb/Mar 2022 · Q321 Mark

The bar charts show the quantity of endothelial tissue, elastic tissue and muscle tissue in the walls of three blood vessels, P, Q and R. Which row correctly identifies the three blood vessels? [Figure 32.1]

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Aelastic artery muscular artery vein

Bvein elastic artery muscular artery

Cmuscular artery elastic artery vein

Delastic artery vein muscular artery

✓ Correct answer

A: elastic artery muscular artery vein

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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 32.

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