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.
A Bird's Metabolism. Parakeets and cockatiels maintain warmer body temperatures than humans do. Their normal body temperatures run between 102 and 112 degrees Fahrenheit -- they chill faster when the room is cold or the temperature drops. A pet bird has to work to maintain his body temperature.