Across
- 3. carry oxygenated away from heart
- 8. removes water from undigested food
- 9. fight infection
- 10. helps bones move
- 12. liquid part
- 13. carry deoxygenated blood to heart
- 14. molecules are absorbed into cells
- 18. pushing food into stomach
- 20. air enters here
- 21. coordinates everything in the body
- 22. chews down food
Down
- 1. converts food into simple molecules can be used by cells
- 2. supports the body
- 4. removes waste from the body
- 5. circulatory and respiratory system work together
- 6. sperm cells which combine with eggs to make offspring
- 7. also known as the windpipe
- 11. excahange of oxygen and carbon dioxide between body parts
- 15. acts as a barrier between you and the outside world
- 16. system responsible for producing hormones
- 17. clot blood
- 19. break down food after swallowing