anatomy

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Across
  1. 2. Throat region that serves as a passageway for air and food.
  2. 3. Substance that reduces surface tension in the lungs, aiding lung expansion.
  3. 5. Membrane Thin membrane where oxygen and carbon dioxide are exchanged.
  4. 8. Organs responsible for gas exchange in the body.
  5. 10. Windpipe; the tube that carries air to the bronchi.
  6. 11. Capacity Maximum amount of air a person can exhale after a maximum inhalation.
  7. 13. Smaller air passage that branches from the bronchi.
  8. 14. System System of organs involved in breathing and gas exchange.
  9. 15. Organ involved in sound production and located in the throat.
Down
  1. 1. Rhythmicity Centers Brain regions that control the rhythm of breathing.
  2. 4. Tiny air sacs in the lungs where gas exchange occurs.
  3. 6. Pressure Pressure exerted by a specific gas in a mixture of gases.
  4. 7. Tree Network of airways in the lungs, branching from the trachea.
  5. 9. Cavity Air passage located within the nose, involved in respiration.
  6. 12. Large air passage that leads from the trachea into the lungs.