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Body Functions
| Respiratory System | Take in Oxygen |
| Circulatory System | Transports oxygen, nutrients, and hormones throughout the body |
| Excretory System | Filter the blood to remove waste and excess water |
| Digestive System | Breaks down food into smaller molequles |
| Nervous System | Directs all functions of other systems |
| Integumentary System | Protects the body, and keeps all internal organs inside the body |
| Skeletal System | Protect internal organs, produce red blood cells, provide shape and structure |