Igcse Model Questions Vol1 2022 Biology Question 7

Practice essay / theory question 7 from the 2022 Igcse Model Questions Vol1 Biology examination. This question covers Homeostasis .

Igcse Model Questions Vol1 2022 Biology Essay / Theory
Topic: Homeostasis
Question 7 IGCSE_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • essay

A person has been walking in a hot, dry environment for several hours.

Question Parts

( a )
Explain how the body maintains its internal temperature in this situation. Include the role of the hypothalamus, sweat glands and cutaneous blood vessels.
( b )
Describe two ways in which the kidneys help to conserve water during dehydration.
( c )
The person begins to feel dizzy and faint. Explain the physiological mechanisms that lead to this symptom, linking it to homeostatic control of blood glucose and blood pressure.

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About This Question

This is Igcse Model Questions Vol1 2022 Biology Question 7. It is one of the essay questions from the 2022 Igcse Model Questions Vol1 Biology examination.

The question covers Homeostasis .

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