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Question

A reflex arc in man is best described as the movement of stimuli from


A

receptor cell, sensory neuron, relaying neuron, effector's muscles

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B

receptor cell, efferent nerve, relaying neuron, muscles of the body

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C

receptor cell, spinal cord, motor neuron, relaying neuron

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D

receptor cell, synapse, motor neuron, relaying neuron

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Solution

The correct option is A

receptor cell, sensory neuron, relaying neuron, effector's muscles


The correct option is A.

Explanation of correct option:

  1. In a reflex arc, the receptor receives the stimulus, creates the sensory nerve impulse, and sends it to the nerve center for processing.
  2. The motor neuron, also known as a relay neuron, is responsible for transmitting the motor impulse from the nerve center to the effector organ or muscles.
  3. The effector responds appropriately to the stimuli.

Final answer: A reflex arc in man is best described as the movement of stimuli from receptor cells, sensory neurons, relaying neurons, and effector's muscles.


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