Respiratory system crossword

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Across
  1. 1. Structure that filters, warms and humidifies incoming air (2 words).
  2. 5. Disease involving destruction of alveolar walls.
  3. 6. acidosis ABG interpretation where arterial pH is decreased and carbon dioxide (PCO₂) is elevated while bicarbonate remains within the normal range (2 words).
  4. 8. Chronic inflammatory disease causing reversible airway narrowing.
  5. 9. Substance that reduces surface tension in alveoli.
  6. 10. Movement of gases from high to low partial pressure.
  7. 12. Tendency of stretched lungs to return to resting size (2 words).
  8. 14. Two main airways that branch from the trachea into each lung.
  9. 16. Spirometry pattern where FEV1 decreases more than FVC, reducing the FEV1/FVC ratio.
  10. 17. Spirometry measure (abbrev.) representing the total volume of air exhaled during a forced breath.
  11. 19. Force that promotes collapse of alveoli (2 words).
  12. 20. Main form in which carbon dioxide is transported in blood.
Down
  1. 2. Muscles involved in forced expiration (2 words).
  2. 3. Thin membrane surrounding the lungs and lining the thoracic cavity.
  3. 4. Reduced carbon dioxide concentration in blood.
  4. 6. Long-term structural changes in airways due to chronic inflammation.
  5. 7. Microscopic hair-like structures that move mucus toward the pharynx.
  6. 11. Spirometry measure (abbrev.) representing the volume of air exhaled during the first second of a forced expiration.
  7. 13. cells Respiratory epithelial cells that secrete mucus (2 words).
  8. 15. Inflammation of the bronchial airways.
  9. 18. Primary muscle responsible for inspiration.