in a healthy lung how long does it take oxygen to diffuse from the alveoli to the capillary?
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in a healthy lung how long does it take oxygen to diffuse from the alveoli to the capillary?
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Answer:
Capillary transit time:
Transit time of blood in the alveolar capillaries is normally ~0.75-1.0 seconds. A minimum of 0.25 seconds is theoretically enough to fully oxygenate capillary blood. In healthy adults, the minimum capilary transit time is probably about 0.45 seconds.