Akademik

alimentary canal n the tubular passage that extends from mouth to anus, functions in digestion and absorption of food and elimination of residual waste, and includes the mouth, pharynx, esophagus, stomach, small intestine, and large intestine

the long passage through which food passes to be digested and absorbed. It extends from the mouth to the anus and each region is specialized for a different stage in the processing of food, from mechanical breakdown in the mouth to chemical digestion and absorption in the stomach and small intestine and finally to faeces formation and water absorption in the colon and rectum.