Biology 5090 · O Level · Temperature control

Temperature control — practice question

The diagram depicts a vertical cross-section of human skin in a hot setting.
(a)[7]

Name and outline the role played by P and Q in controlling body temperature when a person is in a hot environment.

(b)[3]

Explain how temperature regulation in humans shows homeostasis and negative feedback.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “loss of heat / removal of heat” …

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