A student runs for 20 minutes on a hot day. Their core body temperature rises by 0.9 °C and then returns to its normal value.
Explain how the student's core body temperature was returned to its normal value. Use the words receptor, coordination centre and effector in your answer.
The student's core body temperature did not stay exactly the same during the run. Explain why this does not mean that homeostasis had failed.
40 exam-style questions on AQA GCSE Biology 5.1 Homeostasis, covering 5.1 Homeostasis. Each one has a worked solution and a mark scheme showing where the marks go.