Biology 5090 · O Level · Mammalian nervous system

Mammalian nervous system — practice question

The diagram illustrates the nerve pathway involved in a reflex action when a person accidentally touches something hot. Which row correctly names a sensory neurone, a relay neurone and a motor neurone?

  • A1 motor neurone; 2 relay neurone; 3 sensory neurone
  • B1 sensory neurone; 2 relay neurone; 3 motor neurone
  • C1 relay neurone; 2 motor neurone; 3 sensory neurone
  • D1 motor neurone; 2 sensory neurone; 3 relay neurone

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