In the knee-jerk reflex arc, the synapse between a sensory neuron and a motor neuron occurs where?
A) in the brain
B) between the receptor and the spinal cord
C) within the muscle of the leg
D) within the spinal cord
E) in the nerve leading to the spinal cord

Question

Quizplus · Accepted Answer

The synapse between the sensory neuron and the motor neuron in the knee-jerk reflex arc occurs within the spinal cord. This allows for a rapid response without involving the brain.

In the Knee-Jerk Reflex Arc, the Synapse Between a Sensory