Gastrointestinal tract
The gastrointestinal tract, (GI tract, GIT, digestive tract, digestion tract, alimentary canal) is the tract from the mouth to the anus which includes all the organs of the digestive system in humans and other animals.Food taken in through the mouth is digested to extract nutrients and absorb energy, and expelled in the remaining waste as feces.The mouth, esophagus, stomach and intestines are ...