Respiration

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