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8.2 Blood and circulation

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Question 10
F

Which feature of a capillary wall allows rapid exchange of substances?

[1]
A

It is one cell thick.

B

It contains many valves.

C

It has thick muscle layers.

D

It contains many elastic fibres.

Markscheme

8.2 Blood and circulation Questions

  1. GCSE
  2. /Biology
  3. /8.2 Blood and circulation

67 exam-style questions on Edexcel GCSE Biology 8.2 Blood and circulation, covering 8.2.1 Structure and function of the blood, 8.2.2 Structure of blood vessels, 8.2.3 Structure of the heart and circulatory system, and 8.2.4 Cardiac output. Each one has a worked solution and a mark scheme showing where the marks go.

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