Across
- 5. aids muscle tissues
- 6. constant eternal environment
- 7. body's central framework
- 10. breakdown food physically
- 11. process of discharging wastes
- 12. chemical messengers
- 13. cells provide movement for body
- 15. main biological system
- 17. breakdown food chemically
- 18. cells and muscle fibers
- 19. steady condition needed for life
- 20. transfer blood to organs
Down
- 1. made from specific organs
- 2. controls actions/sensory info
- 3. blood vessels deliver blood
- 4. breaks down foods
- 8. tissues,glands,and organs
- 9. network of glands and organs
- 14. blood vessels give blood to heart
- 16. made from blood vessels