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VENTILATION-PERFUSION - Coggle Diagram
VENTILATION-PERFUSION
ALVEOLAR INTERFACE
Alveoli>interstitial>capillaries(02) ,CO2(Opposite)
Structures :Fluid lining, basement membrane of alveolus and capillaries, epithelial cell, endo
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CO2>no problem passing, O2>Less soluble>problems more likely
GRAVITY DEPENDENT
Pleura pressure is greater in the upper(APICAL) than lower(BASES)(Inferior>>Weight of lungs gravity>>↓ pleural pressure>improves compliance)
UPPER=Greater ventilation , LOWER=Less ventilation
LOWER : More Perfused , LOWER: Less Perfused
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