A-LevelBiologyTransport in mammals9700/12 · Oct/Nov 2023 · Q291 Mark

The diagram shows an anterior view of a vertical section through the human heart. [Figure 29.1] Which row shows the correct labels for the diagram?

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A1: aorta, 2: atrioventricular valve, 3: semilunar valve, 4: pulmonary artery

B1: pulmonary vein, 2: semilunar valve, 3: atrioventricular valve, 4: pulmonary vein

C1: pulmonary artery, 2: semilunar valve, 3: atrioventricular valve, 4: vena cava

D1: pulmonary vein, 2: atrioventricular valve, 3: semilunar valve, 4: vena cava

✓ Correct answer

C: 1: pulmonary artery, 2: semilunar valve, 3: atrioventricular valve, 4: vena cava

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2023 Paper 1 Variant 2, question 29.

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