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Components of diffusion resistance. Resistances due to different transport processes from alveoli to blood shown as a function of capillary diameter dp (HD = 0.45). Top to bottom: Resistance due to alveolar-capillary membrane, resistance due to plasma, resistance due to reaction of oxygen with hemoglobin, and resistance due to diffusion within erythrocyte. Values of (DMO2)−1 and (DeO2)−1 in the morphometric model are included for comparison.
