Answer:
The given blank can be filled with metabolism.
Step-by-step explanation:
Metabolism is a complex term for chemical procedures, which takes place within a living species in order to sustain life. Metabolism refers to the procedure by which the body transforms what one consumes into energy. At the time of this composite biochemical procedure, the calories in food are combined with oxygen to produce the energy, which is required by the body to perform essential functions.
There are various elements, which determine the individual's basal metabolism, that is, the size of the body and composition, one's age, and the sex.