The Respiratory System

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Across
  1. 2. dioxide the gas we breathe out
  2. 4. the gas we breathe in
  3. 8. a medical condition in which you need to carry around a puffer
  4. 9. prevents food from entering the airway
  5. 10. scientific term for windpipe
  6. 11. the big muscle underneath the lungs that relaxes and contracts with each breath
Down
  1. 1. Scientific term for snot
  2. 3. branches to the left and the right lung from the trachea
  3. 5. Hairy opening to the respiratory system
  4. 6. the tiny sacs at the end of bronchioles in the lungs
  5. 7. lung disease caused by smoking