A-LevelBiologyGas exchange9700/12 · Oct/Nov 2009 · Q301 Mark
A disease damages alveoli. Which effect does this have on the gas exchange surface area and volume of the lungs?
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Asurface area: decreased, volume: decreased
Bsurface area: decreased, volume: no change
Csurface area: increased, volume: increased
Dsurface area: increased, volume: no change
✓ Correct answer
B: surface area: decreased, volume: no change
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