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Lawson Digestion
Digestion Unit
| Term | Definition |
|---|---|
| Digestive System | Breaks down foods into nutrients that can be used by the body, absorb nutrients that are necessary for energy, growth, and maintenance, and rid the body of solid wastes. |
| Primary organs | Have a direct role in digesting food and come into physical contact with the food. |
| Secondary organs | Supports the process of digestion by secreting digestive juices - food does not pass through |
| Mouth | Begins to break down food into smaller pieces through mechanical digestion; saliva in the mouth starts the process of chemical digestion. |
| Esophagus | The transport tube that carries chewed food to the stomach. |
| Stomach | Continues the process of mechanical digestion; and secretes gastric juices that continue the process of chemical digestion started in the mouth. |
| Small intestines | The organ where most of the chemical digestion of food takes place; nutrients from food are also absorbed into the bloodstream through the small intestines. |
| Large intestines | The organ where water from the food is absorbed into the bloodstream; prepares the remaining undigested food for elimination from the body. |
| Rectum | A short tube that stores solid waste until it is eliminated from the body. |
| Anus | Opening where solid waste is eliminated. |
| Liver | Produces bile, which is used by the body to break up fat, and filters blood. |
| Gallbladder | Stores bile produced by the liver. |
| Pancreas | Produces digestive juices that help to further break down the food in the small intestine. |
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Lawsont