The respiratory system

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Across
  1. 3. A dome shaped structure attached to your ribcage
  2. 6. gateway for the lungs
  3. 8. where the air enters the body
  4. 9. THe air flows from the nose to the __________
  5. 11. what heats the incoming air?
  6. 13. What is the name of the explosion that happens when there is a particle trapped in your nose?
  7. 14. decides if the air should go to the digestive system or the respiratory system
Down
  1. 1. What is used to clean the incoming air?
  2. 2. we turn oxygen into this
  3. 4. what moistens the incoming air?
  4. 5. The pitch of your voice is determined by the _______
  5. 7. bumps not he back of your neck (tube like structure)
  6. 10. Sacs at the end of the bronchi
  7. 12. Home of the bronchus and alveoli
  8. 15. how many sections do your lungs have?