O-LevelBiologyCoordination & Response5090/11 · May/June 2022 · Q221 Mark

The graph shows changes in a person's body temperature plotted against time. [Figure 22.1] What could cause the changes in body temperature in periods 1 and 2?

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Areduced air temperature, increased air temperature

Breduced air temperature, shivering

Cvigorous exercise, increased sweating

Dvigorous exercise, shivering

✓ Correct answer

C: vigorous exercise, increased sweating

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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 1, question 22.

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