Which of the following is one way that the circulatory system 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

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

The more blood there is, the more heat there will be because of blood. An easy example is when someone's ears get all red due to a blood rush to the ears. At that time, ears are also very warm.

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.