Question
Decide which of the following sequence is correct —
(a) Receptor → Effector → Sensory Nerve → Motor Nerve → Nerve Centre
(b) Receptor → Nerve Centre → Motor Nerve → Sensory Nerve → Effector
(c) Receptor → Sensory Nerve → Nerve Centre → Motor Nerve → Effector
(d) Receptor → Motor Nerve → Effector → Sensory Nerve → Nerve Centre
Answer
(c) Receptor → Sensory Nerve → Nerve Centre → Motor Nerve → Effector
Explanation
The correct pathway for the conduction of nerve impulse is:
First, stimulus is received by the receptor, which sends the impulse through the sensory nerve to the nerve centre (central nervous system). The nerve centre processes the information and responds by sending impulses through the motor nerve to the effector (muscle or gland).
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