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Life Sciences Paper 1, November 2024, question 3.4.1(a)

Life Sciences P1 · Homeostasis in humans
3.4.1(a)1 mark
The flow diagram below shows how the level of calcium in the blood is kept steady in the human body. Each rise or fall in the level triggers a hormone response that moves the level back towards its normal value. Name the type of control mechanism shown by the diagram.

NSCBased on Nov 2024 · Paper 1 · Q3.4.1(a)

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Candidates wrote homeostasis where negative feedback was asked for.

In our words. Source: Department of Basic Education, NSC 2024 Diagnostic Report, Part 1 (Book 1), Q3.4.1.

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