O-LevelBiologyTransport in Humans5090/11 · May/June 2010 · Q141 Mark
The diagram shows a vertical section through the heart. What are the functions of the numbered blood vessels? [Figure 14.1]
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Acarries blood to body: 1, carries blood to lungs: 4, carries blood from lungs: 3, carries blood from body: 2
Bcarries blood to body: 2, carries blood to lungs: 1, carries blood from lungs: 3, carries blood from body: 4
Ccarries blood to body: 2, carries blood to lungs: 3, carries blood from lungs: 4, carries blood from body: 1
Dcarries blood to body: 3, carries blood to lungs: 2, carries blood from lungs: 4, carries blood from body: 1
✓ Correct answer
D: carries blood to body: 3, carries blood to lungs: 2, carries blood from lungs: 4, carries blood from body: 1
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