The gut is another term for the gastrointestinal tract.
The portions of the alimentary canal, particularly the stomach and the intestines (sometimes including the anus, especially in animals that eliminate wastes through the anus, in contrast to other animals that excrete waste through the mouth or by other means)
The hollow organs that make up the gastrointestinal tract (GI tract) include the mouth, stomach, esophagus, small intestine, and large intestine which contains the rectum and anus.
The digestive system of the human body comprises a group of organs working together to convert food into energy for the body. Anatomically, the digestive system is made up of the gastrointestinal tract, along with accessory organs such as the liver, pancreas, and gallbladder.