Blip

About this episode

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.

• Release Date

  Aug 15, 2007

• Runtime

  05:37