Across
- 1. pumps blood around the body
- 2. Protects the Lungs and heart
- 3. the gas we inhale to live
- 4. The process of inhaling and exhaling.
- 6. The gas we exhale
- 11. Blocks the blood vessel and arteries
- 13. The gas which is inert to us
- 14. connect arteries and veins
- 16. Provides a large area for gas exchange
- 18. Take blood away from the heart
- 19. Damages the lungs and gives you cancer
Down
- 1. Oxygen travels attached to a special chemical called..
- 5. 2 holes from where we inhale and exhale
- 7. the cell that carry blood around the body
- 8. The movement of the gasses in the alveoli
- 9. pipe The pipe where the gases come in and out.
- 10. The process of inhaling and exhaling
- 12. The hole from where we inhale and exhale
- 14. System of the blood going around the body
- 15. Takes blood back to the heart
- 17. This liquid Carrys the red blood cell around the body