Which part of the reflex arc is activated by a stimulus?
A) integrating center
B) afferent neuron
C) receptor
D) efferent neuron
C
Explanation:
A) The integrating center receives the impulse from the afferent neuron and sends a command to the efferent neuron.
B) The afferent neuron carries the impulse to the CNS.
D) The efferent neuron carries the impulse away from the CNS.
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