O-LevelBiologyTransport in Humans5090/11 · Oct/Nov 2021 · Q141 Mark
The diagram shows a simplified human circulatory system. [Figure 14] Which structure represents the heart?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A[Diagram label A]
B[Diagram label B]
C[Diagram label C]
D[Diagram label D]
✓ Correct answer
B: [Diagram label B]
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