The Respiratory System

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Across
  1. 2. Major muscle of respiratory system
  2. 4. What we breath out
  3. 7. The smallest airway
  4. 8. Often called the windwipe
  5. 10. Where you breath in and out
  6. 11. Blood vessels that exist through out your body
Down
  1. 1. Something that allowes us to go from high to low...
  2. 3. Something that always you too breath
  3. 5. Allowes our cells to breath.
  4. 6. Something at the end of bronchioles
  5. 7. A large airway leading from windwipe
  6. 9. Has 12 paired bones