The brain and the nervous system

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Question 23
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Figure 1 shows a schematic diagram of a motor neurone.

Figure 1: Diagram of a motor neurone with labels A, B, C, and D

In myelinated neurones, nerve impulses are propagated rapidly via saltatory conduction. Which label represents the structure where local depolarization occurs to regenerate the action potential during this process?

Label A

Label B

Label C

Label D

The brain and the nervous system Questions

  1. GCSE
  2. /Biology
  3. /The brain and the nervous system