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15 cards from this deck
Movement from high to low concentration
Passive transport (no energy needed)
Difference in concentration between two areas
Oxygen and carbon dioxide
From alveoli into blood
From blood into alveoli
Faster diffusion
Faster rate of diffusion
Faster diffusion rate
Increased rate of diffusion
Tiny air sacs in the lungs
One cell thick
Millions of alveoli present
Dense network of capillaries
Surface area×Conc. diff.Membrane thickness\frac{\text{Surface area} \times \text{Conc. diff.}}{\text{Membrane thickness}}Membrane thicknessSurface area×Conc. diff.
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