Which sequence best represents the course of an impulse over a reflex arc?

Which sequence best represents the course of an impulse over a reflex arc?




a.
receptor, synapse, sensory neuron, motor neuron, effector
b.
effector, sensory neuron, synapse, motor neuron, receptor
c.
receptor, motor neuron, synapse, sensory neuron, effector
d.
receptor, sensory neuron, interneuron, motor neuron, effector



Answer: D


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