The Gastrointestinal System

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Uploaded by on Aug 15, 2007

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.

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  • Doc, you're one sharp dressed man!

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  • Isn't the GI tract religious materials given to soldiers?

  • Enjoyed the video very informative.

  • very good but take tip from Campbellteaching...

  • excellent

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