The Respiratory System

1234567891011
Across
  1. 2. muscle that make the inflate and deflate
  2. 4. A waste of gas in your body
  3. 7. the small tubes that connect to the alveoli
  4. 8. It is the pipe that sends air to the lungs
  5. 10. How air goes in your body
  6. 11. the wall of the blood vessel
Down
  1. 1. ability to make air pass though you blood
  2. 3. It is the organ that collects the air
  3. 5. How you inhale and exhale
  4. 6. air sac that change cabondiocide and oxygen
  5. 7. at the end of trachea and split air in lung
  6. 9. The thing that protects the lungs