Hemorrhoids
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Your Digestive System & How it Works
The digestive system is made up of the gastrointestinal (GI) tract-also called the digestive tract-and the liver, pancreas, and the gallbladder. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus.
Related Research
See more about digestive diseases research at NIDDK.
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