Human alimentary canal
The alimentary canal is a long tube which runs from the mouth to the anus. It is part of the digestive system. The digestive system also includes the liver and the pancreas.
Main regions of the alimentary canal and associated organs are:
Mouth, salivary glandsOesophagusStomachPancreas, liver, gall bladderSmall intestine (duodenum + ileum)Large intestine (colon +rectum)Anus.