The muscle-walled tube running from the mouth to the anus. It is divided into sections, such as the oesophagus, stomach and small and large intestines. Food enters at the mouth and moves along the tube, being digested (broken down) and absorbed into the body at various points along its length. Material that is left over, e.g., fibre (roughage), leaves the body, as stools, from the anus.
(di-JES-tiv trakt) the tubular passage between the mouth and the anus, including the organs through which food passes for digestion and elimination as waste. Also called the gastrointestinal, or GI, tract.
The organs that food passes through when we eat. This includes the mouth, pharynx, esophagus, stomach, small and large intestines, and rectum.