O-LevelBiologyTransport in Humans5090/12 · May/June 2018 · Q151 Mark

The diagram shows a section through part of a vein. [Figure 15] What could be the first organs found in the directions 1 and 2?

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A1: heart, 2: brain

B1: intestine, 2: liver

C1: kidney, 2: heart

D1: lung, 2: heart

✓ Correct answer

A: 1: heart, 2: brain

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Topic: Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2018 Paper 1 Variant 2, question 15.

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