Across
- 2. a cell fragment that plays an important part in forming scabs.
- 8. A muscular tube that connects the mouth to the stomach.
- 9. The passages that direct air into the lungs
- 12. A blood cell that fights disease.
- 13. Blood cells that carry oxygen from the lungs to the body cells.
- 15. Organ where most absorption of food takes place
- 17. Allows air to pass to and from The lungs (windpipe)
Down
- 1. Lower chamber of the heart
- 3. upper chamber of the heart
- 4. A blood vessel that carries blood back to the heart.
- 5. where digestion begins
- 6. absorbs water
- 7. Airways in the lungs that lead from the bronchi to the alveoli.
- 10. Large muscular sac that continues the mechanical and chemical digestion of food
- 11. tiny sacs of lung tissue specialized for the movement of gases between air and blood
- 14. An organ that exchanges oxygen and carbon dioxide with the blood
- 16. A blood vessel that carries blood away from the heart