Across
- 2. the system that makes up your skeleton
- 6. fibers make up the muscular system
- 9. a pair of air filled organs
- 10. responsible for movement
- 11. the system that controls/regulates the body
- 12. the chemical changes that take place in a cell or organism
- 14. a bundle of fibers that sends and receives messages
Down
- 1. the system responsible for you breathing
- 3. tough, flexible tissue on your joints that also makes up other parts of your body
- 4. result of movement in the body
- 5. a special fluid that carries oxygen, forms clots, and carries defensive cells and antibodies
- 6. the system that makes the body move
- 7. the process of turning oxygen into carbon dioxide
- 8. something with a backbone
- 13. the control canter of the body