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CAIE IGCSE Biology 14.1.4 Sensory, Relay & Motor Neurones

Practise identifying sensory, relay and motor neurones from their positions, connections and directions of impulse travel.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • identify sensory neurones carrying impulses from receptors or sense organs to the CNS
  • locate relay neurones within the brain or spinal cord between other neurones
  • identify motor neurones carrying impulses from the CNS towards muscles or glands

14.1.4—Sensory, relay and motor neurones question 1

[Maximum number: 3]
Fig. 3.1 shows the reflex arc involved in a simple reflex action.

Fig. 3.1 shows the reflex arc involved in a simple reflex action.

On Fig. 3.1 use label lines to identify and name the three types of neurone shown.

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