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Respiratory System

Explore the respiratory system's anatomical divisions, conducting pathways, and functions in gas exchange. Learn about the upper and lower respiratory tract structures and their roles in maintaining respiratory health.

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Respiratory System

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  1. Respiratory System

  2. Respiratory System

  3. Primary Function • Gas Exchange • Secondary Functions • Speech • pH regulation of internal environment

  4. Anatomical Divisions • Conducting pathways • Respiratory regions • sites of gas exchange

  5. Conducting Pathways Upper respiratory tract Nasal cavity Pharynx

  6. Nasal Cavity Functions warms air humidifies air filters air

  7. Features of Nasal Cavity Conchae Ciliated epithelial mucosa

  8. Nasal cavity communicates with nasal sinuses

  9. Pharynx (refer to digestive system notes)

  10. Pharynx • Functions • food and air pathways • resonating chamber for voice • swallowing

  11. 3 divisions Nasopharynx Oropharynx Laryngopharynx

  12. Structural features of pharynx Lined with a stratified squamous epithelium Skeletal muscle in wall

  13. Additional structural features Eustachian tube opening uvula tonsils

  14. Lower Respiratory Tract • Larynx • Trachea • Bronchi • Bronchioles

  15. Larynx

  16. Larynx

  17. Structure of the Larynx

  18. Structure of the Larynx • Cartilages

  19. _

  20. Epiglottis _

  21. Epiglottis _ Arytenoid

  22. Epiglottis Corniculate Arytenoid _

  23. Epiglottis Corniculate Arytenoid Cricoid _

  24. Epiglottis Corniculate Arytenoid Cricoid Thyroid

  25. Epiglottis Cuneiform Corniculate Arytenoid Cricoid Thyroid

  26. Structure of the Larynx • Cartilages

  27. Structure of the Larynx • Cartilages &

  28. Structure of the Larynx • Cartilages & ligaments

  29. Structure of the Larynx • Cartilages & ligaments • Muscles

  30. Structure of the Larynx • Cartilages & ligaments • Muscles &

  31. Structure of the Larynx • Cartilages & ligaments • Muscles & bone

  32. Structure of the Larynx • Cartilages & ligaments • Muscles & bone • Lined with a mucous membrane

  33. goblet cell mucus cilia

  34. Other Features of Larynx

  35. Other Features of Larynx • Ventricular folds (‘false vocal folds’)

  36. Other Features of Larynx • Ventricular folds (‘false vocal folds’) • Vocal folds

  37. Other Features of Larynx • Ventricular folds (‘false vocal folds’) • Vocal folds

  38. Other Features of Larynx • Ventricular folds (‘false vocal folds’) • Vocal folds • Glottis

  39. Primary Function of the Larynx

  40. Primary Function of the Larynx • Sound production -------------------------

  41. Primary Function of the Larynx • Sound production ------------------------- -------------------------

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