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Science - Grade 4: The Digestive System

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15 Lượt xem· 10/03/23

Gidemy Middle School
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⁣What is the digestive system? The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus.

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