Biology 5090 · O Level · Mammalian nervous system

Mammalian nervous system — practice question

Nerve impulses in neurones may move: 1 away from the central nervous system, 2 towards the central nervous system, 3 inside the central nervous system. In what direction do impulses travel in sensory neurones and relay neurones?

  • Asensory neurone 1; relay neurone 2
  • Bsensory neurone 1; relay neurone 3
  • Csensory neurone 2; relay neurone 1
  • Dsensory neurone 2; relay neurone 3

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