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Welcome to the comprehensive medical library of Dayton Colon Rectal Center, Inc. The information shared below is provided to you as an educational and informational source only and is not intended to replace a medical examination or consultation, or medical advice given to you by a physician or medical professional.

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Anatomy of the Digestive SystemAnatom­a del sistema digestivo

Anatomy of the Digestive System

Food gives the body the energy needed for life. The digestive system breaks food down into basic nutrients that can be used by the body. The digestive tract is a long, muscular tube that extends from the mouth through the stomach and intestines to the anus. As food moves along the digestive tract, it is digested (changed into substances that can be absorbed into the bloodstream). Certain organs (such as the liver, gallbladder, and pancreas) help with this digestion. Parts of food that cannot be digested are turned into stool, which is waste material that is passed out of the body.

Digestive System

  • The mouth takes in food, breaks it into pieces, and begins the process of digestion.

  • The esophagus moves food from the mouth to the stomach.

  • The stomach breaks food down into a liquid mixture.

  • The small intestine digests food further and absorbs nutrients. What is left is passed on to the colon as liquid waste.

  • The large intestine (colon) absorbs water, salt, and minerals from the waste, forming a solid stool.

  • The rectum stores stool until a bowel movement occurs.

  • The anus is the opening where stool leaves the body.

  • The liver makes bile that helps digest fat.

  • The gallbladder stores bile.

  • The pancreas makes enzymes that help in digestion.

Date Last Reviewed:

Date Last Modified: 2010-01-12T00:00:00-07:00

Testimonials

I just wanted to say thank you very much for getting me in promptly and taking very good care of me during my hard times. I appreciate your office following up on my care and making sure all the testing, pre-certs were taken care of so it was less stressful for me. I also appreciate all the care and support from every staff member in your office. It really shows how much you guys care about your patients.
Thank you,
Pete Damico

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