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Question
A reflex arc in man is best described as movement of stimuli from:
Options
Receptor cell, sensory neuron, relaying neuron, effector muscles
Receptor cell, efferent nerve, relaying neuron, muscles of the body
Receptor cell, spinal cord, motor neuron, relaying neuron
Receptor cell, synapse, motor neuron, relaying neuron
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Solution
Receptor cell, sensory neuron, relaying neuron, effector muscles
Explanation:
The exact path of a reflex action is:
Receptor (receives stimulus) → Sensory nerve (carries signal) → Relaying neuron (inside spinal cord) → Effector muscles (responds)
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