The Gastrointestinal System

The Gastrointestinal System

Doctor Berger explains the gastrointestinal system. The gastrointestinal tract (GI tract), also called the digestive tract, or the alimentary canal, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. The major functions of the GI tract are digestion and excretion.

Facts and information on the human digestive system including how it works and related digestion health problems.

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Orignal From: The Gastrointestinal System