Across
- 3. largest bone in the body
- 4. organ that helps us breathe
- 6. process of breaking down food
- 8. the top chambers of the heart
- 9. muscle tissue found in internal organs
- 10. blood cells that fight off disease
- 14. tube that connects mouth to stomach
- 16. gas that is inhaled during respiration
- 18. take blood back to the heart
- 20. connects bone to bone
- 24. muscle tissue found in the heart
- 25. the bottom chambers of the heart
- 26. large artery of the heart
- 27. type of digestion that chemically alters food
Down
- 1. gas that is a waste product of respiration
- 2. digestive organ responsible for absorption of nutrients
- 5. blood cells that carry oxygen
- 6. large muscle that allows us to take deep breaths
- 7. another name for your windpipe
- 11. soft tissue where blood cells are produced
- 12. when one muscle contacts, the other muscle...
- 13. place where two bones meet
- 15. digestive organ that uses acid to break down and store food
- 17. another name for the collar bone
- 19. takes blood away from the heart
- 21. type of digestion that breaks food down into smaller pieces
- 22. connects muscle to bone
- 23. digestive organs that DO NOT hold food