O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2022 · Q221 Mark

The graph shows measurements taken of one aspect of the internal environment of the human body over time. What controls the internal environment of the human body to keep each aspect within strict limits?

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Aexcretion

Bhomeostasis

Cpositive feedback

Drespiration

✓ Correct answer

B: homeostasis

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2022 Paper 1 Variant 2, question 22.

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