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3.1 Coordination and control – the nervous system

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Question 6

A museum visitor hears an announcement that a gallery is closing and walks towards the exit.

Which statement explains why this response is likely to be slower than a reflex response?

[1]
A

Sound receptors take longer to detect stimuli than receptors involved in reflexes.

B

The route through the cerebrum includes more synapses, and each synapse adds a delay.

C

Electrical impulses travel more slowly along neurones during voluntary responses.

D

Muscles contract more slowly in voluntary responses than in automatic responses.

Markscheme

3.1 Coordination and control – the nervous system Questions

  1. GCSE
  2. /Biology
  3. /3.1 Coordination and control – the nervous system

135 exam-style questions on OCR GCSE Biology 3.1 Coordination and control – the nervous system, covering 3.1.1 Structure of the nervous system, 3.1.2 Coordinated response, 3.1.3 The reflex arc, 3.1.4 Structure of the eye, 3.1.5 Defects of the eye, 3.1.6 Structure and function of the brain, 3.1.7 Difficulties of investigating brain function, and 3.1.8 Limitations in treating nervous system damage. Each one has a worked solution and a mark scheme showing where the marks go.

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