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43576
Emphysema
Description
Biology (EMPA) Mind Map on Emphysema, created by Peter Nelson on 11/04/2013.
No tags specified
biology
empa
biology
empa
Mind Map by
Peter Nelson
, updated more than 1 year ago
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Created by
Peter Nelson
over 12 years ago
81
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Resource summary
Emphysema
Causes
Smoking
Causes tar build up on the lungs
Excessive Dust Inhalation
Effects on Lung Capacity
Damages Elastic Tissue
Cannot recoil as normal
Remains permanently stretched
Less air leaves the lungs
Diffusion gradient is reduced
Less oxygen reaches tissues for respiration
Effects on alveoli
Alveolar cross wall begins to break down
Reducing surface area for diffusion
Alveoli begin to fill with fluid
Reduces surface area for diffusion
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