2. Which one of the following represents the correct sequence for reflex arc ? (a) Effector Motor neurone → Nerve centre → Sensory neurone → Receptor (b) Receptor → Motor neurone → Nerve centre Sensory neurone → Effector (c) Receptor Sensory neurone → Nerve centre → Motor neurone → Effector (d) Effector Sensory neurone → Nerve centre → Motor neurone → Receptor -
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Answer:
the correct option is- c. Receptor- sensory neuron- spinal cord- motor neuron- muscle.
Explanation:
A reflex action carried by neural pathways is known as the reflex arc. The reflex arc acts on a stimulus before the impulse reaches the brain. The reflex action is an automatic involuntary response to an impulse that occurs without conscious thought.
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