A-LevelBiologyTransport in mammals9700/12 · May/June 2024 · Q281 Mark

The diagram shows the internal structure of the mammalian heart. [Diagram of mammalian heart with locations A, B, C, D labelled] Which letter identifies the location of the atrioventricular node?

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✓ Correct answer

B: B

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2024 Paper 1 Variant 2, question 28.

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