If body temperature is too high,the hypothalamus stimulates blood vessels in the skin to constrict.

Name: If body temperature is too high,the hypothalamus stimulates blood vessels in the skin to constrict.
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If body temperature is too high, the hypothalamus stimulates blood vessels in the skin to dilate, allowing heat to be released through the skin. Constricting the blood vessels would reduce heat loss, which would be counterproductive in cooling down the body.

If Body Temperature Is Too High,the Hypothalamus Stimulates Blood Vessels