O-LevelBiologyTransport in Humans5090/11 · Oct/Nov 2017 · Q351 Mark
The diagram shows a fetus in the uterus. Where is the concentration of oxygen highest?
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.
Aan artery at X
Ban artery at Y
Cvein at X
Dvein at Y
✓ Correct answer
A: an artery at X
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