Biology 0610 · IGCSE · Coordination and response

Coordination and response — practice question

What indicates the sequence in which these structures take part in a reflex action?

  • Aeffector $\rightarrow$ motor neurone $\rightarrow$ relay neurone $\rightarrow$ sensory neurone $\rightarrow$ receptor
  • Beffector $\rightarrow$ sensory neurone $\rightarrow$ motor neurone $\rightarrow$ relay neurone $\rightarrow$ receptor
  • Creceptor $\rightarrow$ sensory neurone $\rightarrow$ relay neurone $\rightarrow$ motor neurone $\rightarrow$ effector
  • Dreceptor $\rightarrow$ motor neurone $\rightarrow$ sensory neurone $\rightarrow$ relay neurone $\rightarrow$ effector

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