Across
- 5. these chew food
- 6. produces for the small intestine
- 9. supplies the bodies needed oxygen
- 10. liquid that breaks down food in the mouth
- 12. gets rid of body waste
- 13. bones
- 14. chemical messengers
- 15. fibers that contract and relax
Down
- 1. relaxing muscle
- 2. pipes that enter the lungs
- 3. largest bone in the body
- 4. the foot contains 14...
- 7. like a telegraph
- 8. bone that looks like a sesame seed
- 11. controlled by autonomic nervous system