The alimentary canal, (originating from a Latin term meaning nourishment), is also known as the digestive tract or gastrointestinal tract. It begins at the mouth, ends at the anus, and includes all of the structures in between including:

• pharynx
• esophagus
• stomach
• small intestine (duodenum, jejunum, ileum)
• large intestine (transverse cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum

This path is approximately 30 feet in length.