Biology for IGCSE & O level - Coordination And Response (Section 8 - No. 37)
What is the role of the sensory neurons in a reflex arc?
To transmit the impulse from the relay neuron to the effector.
To detect a stimulus and transmit the impulse to the CNS.
To coordinate the reflex action in the spinal cord.
To carry the response to the effector.
Explanation
Sensory neurons detect stimuli and send information to the CNS.
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