Across
- 1. Liquid in your blood
- 3. An airway from the bronchi to the alveoli
- 5. Stores urine
- 8. Lower part of the heart
- 10. Finger like
- 14. Absorbs water
Down
- 2. Exchange between gases of air and blood
- 4. Direct to the lungs
- 6. Unit of life
- 7. Flat muscle that moves your lungs
- 9. system Removes cellular waste from the body Kidney Filters waste from blood
- 11. Main organ of the respiratory system
- 12. Tiny filter
- 13. Upper part of the heart