Freebase(0.00 / 0 votes)Rate this definition: Commonly used in medicine, the word decubitus is used to mean lying down. It is derived from the Latin verb âdecumbereâ meaning to lie down.
The brain regulates metabolism and manages other functions to keep your body temperature within a normal range. But the brain can only do so much, and a host of outside factors can affect your body temperature. Controlling and managing these outside factors is key to maintaining a normal body temperature.
How does the circulatory system help regulate body temperature? The circulatory system helps regulate body temperature by transporting heat, carried by the blood, and then either constricting or dilating the blood in the tissues to inc â¦ rease or decrease the temperature. If it needs more heat, more blood is supplied by dilation.