Year 9

Coordination and homeostasis

Use body-system pathways before applying negative feedback to temperature and glucose.

Subtopics

Stimulus, receptor and nervous response

Sequence a nervous response and distinguish sensory, coordinating and effector roles.

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Worked examples Practice

Hormones and blood-glucose control

Compare hormone and nerve signals and apply the insulin–glucagon feedback pattern.

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Worked examples Practice

Temperature regulation and negative feedback

Apply a feedback-loop model to sweating, shivering and skin blood flow.

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Worked examples Practice