Across
- 2. Directs air to lungs
- 3. Flat muscle that helps with breathing
- 7. Removes all cellular waste from the body and controls water balance
- 9. Stores Urine
- 10. upper chamber of heart
- 12. Specialized for the movement of gases between blood and air
- 14. where most absorption takes place
- 15. A tiny filter that blood goes through
Down
- 1. Filters waste from blood
- 4. liquid in blood
- 5. The airway in the lungs that lead from the bronchi to the alveoli
- 6. lower chamber of heart
- 8. down food and absorbs the nutrients
- 11. Windpipe
- 13. cover the inner surface of the small intestine