Human body
Across
- 3. muscle sac in digestive system that does most of the chemical digestion.
- 5. tube that connect mouth to the stomach.
- 6. filters blood.
- 9. upper chamber of the heart.
- 11. airways that connect bronchi too alveoli.
- 12. type of blood cell that helps form scabs.
- 13. tiny sacs at the end of bronchioles that control the transfer of oxygen and carbon dioxide.
Down
- 1. system transports oxygen and carbon dioxide and helps you breathe.
- 2. lower section of the heart.
- 4. tube for air is also called windpipe.
- 7. in the kidney and it filters blood.
- 8. system System that breaks down food.
- 10. stores urine.
- 11. two branches off of the lungs