Question

Write the main functions of (i) sensory neuron and (ii) motor neuron in a reflex arc.

Hint:

Sensory = to CNS, Motor = from CNS.

Answer 1

(i) Sensory neurons: These neurons transmit impulses from sensory organs or receptors to the spinal cord or brain. (ii) Motor neurons: These neurons carry response impulses from the spinal cord or brain to effectors (muscles or glands), triggering a reaction.