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7.3 Homeostasis and thermoregulation

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Question 7
F

Why does evaporation of sweat help to cool the body?

[1]
A

sweat absorbs energy from the skin as it evaporates

B

sweat releases energy to the skin as it evaporates

C

sweat absorbs energy from the skin as it condenses

D

sweat releases energy to the skin as it condenses

Markscheme

7.3 Homeostasis and thermoregulation Questions

  1. GCSE
  2. /Biology
  3. /7.3 Homeostasis and thermoregulation

44 exam-style questions on Edexcel GCSE Biology 7.3 Homeostasis and thermoregulation, covering 7.3.1 Importance of a constant internal environment, 7.3.2 Importance of homeostasis, 7.3.3a Thermoregulation via the skin and hypothalamus, and 7.3.3b Vasoconstriction and vasodilation in thermoregulation. Each one has a worked solution and a mark scheme showing where the marks go.

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