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5.2.1 Structure and function

5.2.1 Structure and function

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1
Question 1
F

The figure shows the pathway of a reflex action in a person who has touched a sharp pin.

Figure: The pathway of a reflex action from the skin of a finger to a muscle in the arm

image

a.

Name the neurones labelled A, B and C in the figure.

[3]
b.

Name the junction labelled X.

[1]
c.

Give one reason why a reflex action is faster than a voluntary response.

[1]
Markscheme

5.2.1 Structure and function Questions

  1. GCSE
  2. /Biology
  3. /5.2.1 Structure and function

4 exam-style questions on AQA GCSE Biology 5.2.1 Structure and function. Each one has a worked solution and a mark scheme showing where the marks go.

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