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High School Biology: The Circulatory, Respiratory, Digestive, and Excretory Systems - The Digestive System
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The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

High School Biology: The Circulatory, Respiratory, Digestive, and Excretory Systems - The Digestive System
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12 Questions

1. Functions of the trillions of bacteria in your GI tract include
2. Macronutrients include
3. Foods flows through the GI tract in the following order:
4. Digestive enzymes include
5. The digestive system provides ____________ for cellular respiration.
6. In the stomach,
7. The digestive system has three main functions, including
8. An eating disorder is an illness in which people
9. In the mouth,
10. MyPyramid suggests that you
11. The gastrointestinal tract
12. Bile is made by the liver. The main role of bile is

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