How does circulatory system regulate the body temperature?

If cold, our body produces more warmth by contracting one's muscles (shivering), and shutting off the blood vessels to the skin thus limiting heat loss, if warm opening up the blood vessels of the skin so it can get rid of more warmth by convection. read more

Body Temperature Regulation. Body temperature regulation is an often overlooked but important function of the cardiovascular system. Optimal function of the human body occurs within a relatively narrow temperature range, which is tightly regulated. If body temperature begins to rise, blood vessels close to the body surface dilate, increasing in size. read more