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.
The liver is an essential part of the human digestive system. It is an accessory organ of the digestive system that assists with digestive processes without being directly involved with food digestion. The liver assists the digestive system by secreting bile and bile salts to help emulsify fats and aid in their digestion in the small intestine.