Across
- 1. system that breaks down food
- 5. offspring production
- 7. regulate hormones
- 12. returns fluids to blood vessels
- 13. removes carbon dioxide
- 14. disposes of debris
- 15. system that allows motion
Down
- 2. formation of external body covering
- 3. system that activates muscles and glands
- 4. eliminates wastes
- 6. stores minerals
- 8. protects and supports the body
- 9. system that pumps blood by the heart
- 10. fast acting control system
- 11. helps prevent tissue from injury