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Organ System
| Term | Definition |
|---|---|
| Endocrine | Controls many body processes-such as intake of surgar by cells-by means of chemicals. |
| Excretory | Removes wastes. |
| Circulatory | Carries needed materials to the body cells; carries wastes away from body cells; helps fight disease. |
| Digestive | Takes food into the body, breaks food down, and absorbs the digested materials. |
| Immune | Fights disease. |
| Muscular | Enables the body to move; moves food through the digestive system; keeps the heart beating. |
| Nervous | Detects and interprets information from the environment outside the body and from within the body; controls most body functions. |
| Reproductive | Produces sex cells that can unite with other sex cells to create offspring; controls male and female characteristics. |
| Respiratory | Takes oxygen into the body and eliminates carbon dioxide. |
| Skeletal | Supports the body, protects it, and works with muscles to allow movement; makes blood cells and stores some materials. |
| Skin | Protects the body, keeps water inside the body, and helps regulate body temperature. |