The mucous membrane-lined tube associated with the digestive system by which meals passes, where digestion takes place, and that wastes are eradicated. It runs from the lips into rectum and includes the pharynx, esophagus, tummy, and intestines. Also known as intestinal tract.
The organs of a person or an animal whereby food passes. The intestinal tract.
tubular passing of mucous membrane and muscle mass expanding about 8.3 yards from lips to anus; functions in food digestion and reduction