O-LevelBiologyCoordination & Response5090/12 · May/June 2022 · Q231 Mark

The diagram shows a section through the human brain. Which part of the brain controls the rate of breathing?

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.

A[Diagram option A pointing to the cerebrum]

B[Diagram option B pointing to the cerebellum]

C[Diagram option C pointing to the medulla oblongata/brain stem]

D[Diagram option D pointing to the frontal lobe region]

✓ Correct answer

C: [Diagram option C pointing to the medulla oblongata/brain stem]

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2022 Paper 1 Variant 2, question 23.

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