Emphysema
- Created by: Cammie
- Created on: 20-05-13 12:05
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- Emphysema
- The alevoli break down
- Their walls thicken
- Surface area decreases
- Diffusion pathway becomes longer
- This results in less diffusion
- The lung's elastic tissue is lost
- The lungs have reduced elasticity
- Makes it difficult to expel air
- Less air leaves the lungs
- Due to a diminished diffusion gradient
- Less oxygen can enter the blood
- Therefore less energy is released
- Respiration cannot occur
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