Which term corresponds to the response resulting from nervous system stimulation?

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Nervous system stimulation triggers responses from effectors to produce a reaction. The most direct and immediate response is muscular contraction, where nerve impulses cause muscle fibers to shorten. This produces the visible movements and changes in tension you feel or see during a facial massage.

Glandular secretions are also controlled by nerves, but they’re a less immediate, chemical response and not the typical quick, observable reaction described here. Instinctual behaviour stems from ingrained patterns and higher brain processes, not a simple one-to-one immediate response to a nervous stimulus. Memory involves storing and recalling information, which isn’t the immediate physical response produced by nerve impulses. So muscular contraction best fits the idea of the response resulting from nervous system stimulation.