Air Force Bases. Originally, the Air Force started out as a smaller specialized unit within the Army. Post World War II, in 1947 the Air Force was established as an individual branch of the Military. The Air Force today maintains a commitment to keeping global vigilance, reach and power.
On top of harnessing the substances we consume, the digestive system is also responsible for excreting waste from the body. Metabolism is the process that your body uses to convert the food and drink that you consume into energy.
Metabolic enzymes operate in the body's cells and blood. Metabolism is a general term for the biochemical processes through which the body changes air, food and other materials into the substances it needs to function properly.