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3.3 Maintaining internal environments

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Question 2
F

Homeostasis is important for the human body.

What is meant by homeostasis?

[1]
A

controlling all of the processes in the body by the nerves

B

removing the waste products made by cells from the body

C

responding to a stimulus from the surroundings of the body

D

keeping the internal conditions of the body at constant levels

Markscheme

3.3 Maintaining internal environments Questions

  1. GCSE
  2. /Biology
  3. /3.3 Maintaining internal environments

72 exam-style questions on OCR GCSE Biology 3.3 Maintaining internal environments, covering 3.3.1 Importance of a constant internal environment, 3.3.2 The skin and body temperature, 3.3.3 Insulin and blood sugar, 3.3.4 Glucagon and blood sugar, 3.3.5 Type 1 and type 2 diabetes, 3.3.6 Osmotic changes in body fluids, 3.3.7 Kidneys and water balance, 3.3.8 Structure of the kidney and tubule, 3.3.9 ADH and kidney tubule permeability, and 3.3.10 Responses to temperature and osmotic challenges. Each one has a worked solution and a mark scheme showing where the marks go.

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