Functions and Anatomy of the Respiratory System

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Across
  1. 2. Collective name of cardiovascular and respiratory system
  2. 5. Air filled cavities
  3. 7. The voicebox
  4. 8. bones extending down through the nasal cavity that increase surface area for filtering air
  5. 9. The primary site for gas exchange
  6. 10. The gatekeeper, stops food from entering the larynx
  7. 12. External part of the respiratory system
  8. 13. Alternative name for the respiratory system
  9. 14. Clusters of lymphatic tissue that catch bacteria
Down
  1. 1. Lead to the left and right lungs
  2. 3. Another name for nares
  3. 4. the central area of the thoracic cavity
  4. 6. The windpipe
  5. 11. Separates the mouth from the nasal cavity
  6. 13. Muscular passage for food and air into the trachea and esophagus