Coordination and control – the nervous system

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Question 10
Medium

The diagram shows a myelinated motor neurone with regions labelled A to D.

Myelinated motor neurone diagram

During saltatory conduction, action potentials 'jump' along the axon. Which label points to the region containing the high density of voltage-gated Na+\text{Na}^+Na+ channels required for depolarisation to occur during this process?

Label A

Label B

Label C

Label D

Coordination and control – the nervous system Questions

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