A-LevelBiologyTransport in mammals9700/12 · Feb/Mar 2023 · Q331 Mark

The diagram shows a network of blood vessels that supply blood to muscle tissue in the human body. [Figure 33.1] What is a correct comparison between the blood at X and the blood at Y when the muscle tissue is at rest?

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Aequal; higher

Bequal; lower

Chigher; higher

Dhigher; lower

✓ Correct answer

C: higher; higher

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2023 Paper 1 Variant 2, question 33.

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