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2.2 Animal tissues, organs and organ systems

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Question 5
F

A person has a condition in which their red blood cells are destroyed faster than their body can replace them.

a.

Explain why this person becomes tired more quickly than normal when they exercise.

[3]
b.

Small cuts on this person's skin also bleed for much longer than normal. Name the part of the blood that must also be low in number and explain your answer.

[2]
Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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