Igcse Model Questions Vol1 2019 Biology Question 7

Practice essay / theory question 7 from the 2019 Igcse Model Questions Vol1 Biology examination. This question covers Homeostasis, Thermoregulation .

Igcse Model Questions Vol1 2019 Biology Essay / Theory

Topics: Homeostasis Thermoregulation

Question 7 IGCSE_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • essay

A 20‑year‑old athlete runs for 30 minutes at a moderate pace. During the exercise his core body temperature rises and his skin becomes moist with sweat.

Question Parts

( a )

Describe the role of the hypothalamus in maintaining body temperature during the exercise.

( b )

Explain how vasodilation of cutaneous blood vessels and sweating together help to reduce the rise in body temperature.

( c )

Predict what would happen if the negative feedback loop controlling temperature were impaired, and suggest two possible health consequences.

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About This Question

This is Igcse Model Questions Vol1 2019 Biology Question 7. It is one of the essay questions from the 2019 Igcse Model Questions Vol1 Biology examination.

The question covers Homeostasis, Thermoregulation .

View More Igcse Model Questions Vol1 2019 Biology Questions More Igcse Model Questions Vol1 Practice Questions Back to Questions

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