Across
- 3. derects air into the lungs
- 8. helps make scabs
- 9. smallest blood vessle
- 11. covers the inside of the small intestine
- 12. carrys blood away from the heart
- 14. Found in the kidney, little filter that blood goes through
- 15. upper chamber of the heart
Down
- 1. lower chamber of the heart
- 2. Airways in the lungs that lead from the bronchi to the alveoli
- 4. tiny sacs of lung tissue
- 5. Large flat muscle at the bottom of the chest
- 6. stores urine
- 7. allows air to pass to and from the lungs
- 10. liquid part of blood
- 13. carrys blood to the heart
