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7.3 Homeostasis and thermoregulation

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123
Question 1
F

Which statement describes homeostasis?

[1]
A

keeping external conditions within narrow limits

B

keeping internal conditions within narrow limits

C

keeping internal conditions equal to external conditions

D

keeping external conditions equal to cell conditions

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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