Respiratory System C9

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Across
  1. 3. Filters that remove particles carried by the air.
  2. 4. organ in charge of resonance and the production of voice
  3. 6. Muscle that expands during the breathing process.
  4. 8. The special organ for smell
  5. 9. Hollow tube that connects the larynx to the bronchi.
  6. 11. Cone shaped organs that fill the thoracic activity.
  7. 13. Hollow spaces in our skull which regulate air temperature.
Down
  1. 1. It is the part responsible for producing vocal sounds.
  2. 2. substance we breathe out
  3. 5. substance we breath in
  4. 7. Large airways that branch off the main trachea.
  5. 10. Small air sacks at the end of the bronchi
  6. 12. sticky substance that helps filter out particles