Our digestive system consists of organs that prepare food for absorption and for use by the millions of our body's cells.
The main organs of the digestive system form a tube that is open at both ends. This is known as the gastrointestinal (GI) tract or alimentary canal.
Organs making up the tract are:
More organs or body parts that are located in the main digestive organs or that open into them are: the salivary glands, teeth, liver, gallbladder, pancreas and vermiform appendix.
Cancers of the GI tract account for roughly 15% of cancer diagnosed in men and women.