Respiratory system

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Across
  1. 3. Movement of air in and out of lungs also called breathing
  2. 5. Lipoprotein that reduces surface tension in alveoli prevents collapse
  3. 6. Movement of gases from high to low concentration
  4. 9. Gas needed for cellular respiration O2
  5. 14. Form of CO2 transport bound to hemoglobin
  6. 16. Muscles between ribs that help breathing
  7. 19. Exhaling air out of lungs
  8. 23. Main muscle of breathing dome shaped
  9. 24. Space inside nose lined with mucosa and cilia
  10. 26. Hair-like structures that sweep mucus upward
  11. 27. Main form of CO2 transport in plasma HCO3
  12. 31. Area where bronchi vessels and nerves enter lung
  13. 32. Waste gas exhaled CO2
  14. 33. Flap that closes larynx during swallowing to prevent aspiration
  15. 34. First entry for air that warms moistens and filters
  16. 35. Air sac where gas exchange occurs plural alveoli
  17. 36. Hemoglobin bound to oxygen bright red
  18. 40. Protein in RBC that carries oxygen
  19. 41. Double membrane surrounding lungs parietal and visceral
  20. 42. Opening between vocal cords
Down
  1. 1. High CO2 in blood
  2. 2. Branch of trachea leading to each lung plural bronchi
  3. 4. Max air exhaled after max inhalation
  4. 7. Ease of lung expansion stretchability
  5. 8. Bluish skin due to low oxygen
  6. 10. EFFECT pH affects oxygen release from hemoglobin
  7. 11. Curved bones in nasal cavity that increase surface area also called turbinates
  8. 12. Sticky secretion that traps dust and microbes
  9. 13. Fold that vibrates to produce sound
  10. 15. Voice box containing vocal cords
  11. 17. Air-filled cavity in skull that warms air and lightens skull
  12. 18. Process of gas exchange between body and environment
  13. 20. Windpipe with C-shaped cartilage rings
  14. 21. Throat shared by respiratory and digestive systems
  15. 22. Inhaling air into lungs
  16. 25. Smaller airway branch without cartilage
  17. 28. Air left in lungs after max exhalation prevents collapse
  18. 29. EFFECT oxygen affects CO2 release
  19. 30. Ability of lungs to recoil back
  20. 37. Main organ of respiration right has 3 lobes left has 2
  21. 38. Low oxygen in tissues
  22. 39. Air moved in one normal breath about 500ml