Question

(1 pt) Which of the following is one way that the circulatory system helps maintain body temperature? A. carrying heat around the body B. controlling the flow of blood to the skin C. carrying nutrients and energy to cells D. speeding up the blood flow to generate heat

Answer 1

The right answer is B. controlling the flow of blood to the skin

When the body temperature is below the set point, the hypothalamus activates several thermogenesis mechanisms:

* Vasoconstriction on the vessels near th skin by the sympathetic nervous system to reduce thermal exchanges between the skin and the surrounding environment.

* And increase in heat production:

-by muscular activity:

-by the metabolism:

Answer 2

The answer is definitely B.

Explanation: I just took the test and here's proof.