The Respiratory System

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Across
  1. 2. a muscle that helps pull air into your respiratory device and push air out.
  2. 5. tubes Two tubes that lay at the backside give of your windpipe that joins to every lung.
  3. 6. Small air sacs interior the lungs the place the alternate of oxygen and carbon dioxide takes place.
  4. 8. Thin sacs that surround each lung lobe and separate your lungs from the chest wall.
  5. 10. Small branches of the bronchial tubes that lead to the alveoli.
  6. 12. a passage connecting your lungs and throat.
  7. 13. two organs that get rid of oxygen from the air ignore and pass by it into the bloodstream.
Down
  1. 1. Hollow organ that allows you to talk and make sounds when air moves in and out.
  2. 3. Blood vessels in the alveoli walls that move oxygen and carbon dioxide.
  3. 4. Tiny hairs that move in a wave-like motion to filter dust and other irritants out of your airways.
  4. 7. Tissue flap at the entrance to the trachea that closes when you swallow to keep food and liquids out of your airway.
  5. 9. a lengthy tube that strikes air from your mouth and nostril to the trachea.
  6. 11. hollowed out areas that lay between the bones in your head. They assist alter the temperature and humidity of the air you inhale.