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Some Facts to Know about the Digestive System.

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The liver, gallbladder, and pancreas are three organs that have big roles on the digestive system.

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The digestive tract is made up of a series of muscles that help the movement of food and other cells that produce enzymes and hormones to help break down food.

The long twisting tube that starts at the mouth and ends at the anus is called the digestive tract.

It is the process where food is broken down into the energy we need to survive.