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5.2 The human nervous system

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Question 8
F

A doctor taps a person's knee with a small hammer. The lower leg straightens automatically. What is the effector in this reflex action?

[1]
A

The stretch receptor in the tendon below the knee

B

The sensory neurone carrying impulses to the spinal cord

C

The muscle in the upper leg that straightens the lower leg

D

The relay neurone inside the spinal cord of the person

Markscheme

5.2 The human nervous system Questions

  1. GCSE
  2. /Biology
  3. /5.2 The human nervous system

40 exam-style questions on AQA GCSE Biology 5.2 The human nervous system, covering 5.2.1 Structure and function, 5.2.2 The brain, 5.2.3 The eye, and 5.2.4 Control of body temperature. Each one has a worked solution and a mark scheme showing where the marks go.

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