Across
- 3. _+largest organ in the circulatory system
- 4. largest organ in the nervous system
- 5. a group of tissues working together
- 7. a group of cells working together
- 11. produces offspring
- 12. exchanges oxygen and carbon dioxide
- 14. breaks down food to provide nutrients & energy
- 15. main organ in the respiratory system
- 16. colects waist fluids
- 18. brings back blood to the heart
- 20. the basic unit of life
- 21. regulates the body with hormones
- 22. provide structure and protection for the body
- 24. provides protection of the body
Down
- 1. a group of organ systems working together
- 2. protects the brain
- 6. removes waste from the body
- 8. the largest bone
- 9. pumps blood from & away from the heart
- 10. a group of organs working together
- 13. protects the major organs
- 17. provides movement for the body
- 19. caries away blood from the heart
- 23. the largest organ of the body