O-LevelBiologyTransport in Humans5090/11 · May/June 2016 · Q141 Mark

The diagram shows arteries and veins in the human forearm. [Figure 14.1] Which statements apply to a vein in the human forearm?

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Acarries oxygenated blood: ✓, has valves: ✓, blood is returning to the heart: ✖

Bcarries oxygenated blood: ✓, has valves: ✖, blood is returning to the heart: ✖

Ccarries oxygenated blood: ✖, has valves: ✓, blood is returning to the heart: ✓

Dcarries oxygenated blood: ✖, has valves: ✖, blood is returning to the heart: ✓

✓ Correct answer

C: carries oxygenated blood: ✖, has valves: ✓, blood is returning to the heart: ✓

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Topic: Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2016 Paper 1 Variant 1, question 14.

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