The proper order of a reflex arc is:
A) motor neuron, sensory neuron, interneuron.
B) sensory neuron, motor neuron, interneuron.
C) motor neuron, interneuron, sensory neuron.
D) sensory neuron, interneuron, motor neuron.

Question

Quizplus · Accepted Answer

A reflex arc begins with a sensory neuron that detects a stimulus and sends a signal to an interneuron in the spinal cord, which then communicates with a motor neuron to produce a response.

The Proper Order of a Reflex Arc Is