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2.2 Animal tissues, organs and organ systems

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Question 39
F

A student cuts their hand. Platelets cause a clot to form at the cut. Which statement describes how the clot helps the student?

[1]
A

It kills any pathogens that have entered through the broken skin

B

It carries extra oxygen to the damaged skin cells so they divide

C

It stops blood being lost and stops pathogens entering the wound

D

It releases antibodies that destroy the pathogens near the wound

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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