1. Gas Exchange in Lungs Prof. K. Sivapalan

2. Properties of Gases 20132Gas Exchange

3. Water Vapor Pressure 20133Gas Exchange

4. Diffusion of Gases in Liquids 20134Gas Exchange

5. Diffusion of Different Gases 20135 Oxygen1.0 Carbon Dioxide20.3 Carbon Monoxide0.81 Nitrogen0.53 Helium0.95 Gas Exchange

6. Partial Pressures 20136Gas Exchange

7. Oxygen and Carbon dioxide in Expired air 20137Gas Exchange

8. Alveolar Gas Concentration 20138Gas Exchange

9. Respiratory Unit 20139Gas Exchange

10. Respiratory Membrane A layer of fluid lining the alveolus Alveolar epithelium Epithelial basement membrane Interstitium Capillary basement membrane Capillary endothelium Plasma and red cell 0.6 µ, 70 M 2, 60 – 140 ml of blood 201310Gas Exchange

11. 201311 Diffusing Capacity Gas Exchange

12. Partial Pressure Difference across respiratory membrane 201312Gas Exchange

13. Factors Affecting Gas Exchange 201313Gas Exchange