An impulse that travels inward from a sensory receptor to the spinal cord, then outward to a muscle is called a(n) _____.

1 answer:

6 0

The answer is D. So as to take the shortest time to react to stimuli, most sensory neurons are looped through the spinal cord to motor neurons. Following a reflex action, the signal is later passed to the brain, from the spinal cord, for the signal to be analyzed. A reflex arc is divided into somatic and autonomic reflex arcs. The former is connected to outer muscles while the later to inner organs.

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