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

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.
correct label and name of:
sensory neurone;
relay / connector / intermediate neurone;
motor / effector neurone;