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Anatomy lesson 1.4
The Digestive System
| Term | Definition |
|---|---|
| mechanical digestion | Breaking, crushing, and mashing of food. Ex. chewing |
| chemical digestion | The process in which large molecules of food are broken down into smaller molecules so they can pass into the blood stream. |
| enzyme | A chemical that the body uses to break down large molecules into smaller molecules. |
| esophagus | A long tube that takes food from your mouth to your stomach. |
| stomach | A muscular bag that crushes food and contains acids and enzymes for killing bacteria ad breaking down proteins. |
| small intestine | A muscular tube where most chemical digestion takes place and most nutrients are absorbed. |
| large intestine | Water and nutrients are absorbed here. |
| pancreas | Makes fluids that break down every type of material found in foods: proteins, carbohydrates, and fats. |
| liver | Makes and releases a mixture called bile that breaks up large fat droplets into very small fat droplets. |
| excretory system | Eliminates cellular wastes from the body through the lungs, skin, kidneys, and digestive system. |
| kidneys | Removes waste from the blood. |
Created by:
rippert
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