Respiratory System maker

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Across
  1. 3. Carries air in and out of lungs
  2. 6. Allows air to pass through the trachea and to the lungs
  3. 7. Moves microbes and debris up and out of the airways
  4. 9. Protects the lungs
  5. 11. Primary passageway for air entering the respiratory system
  6. 12. Responsible for removing carbon dioxide from the blood and adding oxygen to it
  7. 13. This contraction creates a vacuum, which pulls air into the lungs
Down
  1. 1. Carries air to small sacs in the lungs called alveoli Center of the respiratory system's gas exchange
  2. 2. Distributes air throughout the lungs until reaching the respiratory bronchioles and alveolar sacs
  3. 4. Covers and opens entrance of larynx/Protects the air-only passage when swallowing
  4. 5. Produce mucus to keep the nose moist
  5. 8. Surrounds and protects the glottis
  6. 10. space Aids optimal functioning of the lungs during breathing