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.
Keeping body temperature constant Energy gain and loss must be balanced in order to maintain a constant body temperature. Body extremities tend to be cooler than the core body temperature, and that energy is transferred from the blood to the tissues when blood reaches cooler parts.