Which of these describes one way that the human nervous system maintains a constant body temperature when the external temperature is cold? A. The Nervous system increases perspiration

B. The nervous system causes digestion to speed up

C. The nervous system causes bloods vessels to construct

D. The nervous system triggers the flight-or-flight response

A

Explanation:

Nerves trigger sweat glands to release fluid that evaporates and cools the skin. Conversely, a drop in core temperature makes blood vessels constrict to conserve heat. The nervous system also triggers muscles to shiver to generate heat and warm the body.Apr 15, 2018

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

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