The CO2, O2, and N2 gradients between alveolar air and arterial blood during steady-state exercise and healthy non-smoking young and elderly men at normoxia and at hypoxia.
D000328:Adult; D000368:Aged; D000375:Aging; D002245:Carbon Dioxide / Q000378:metabolism*; D006801:Humans; D000860:Hypoxia / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D009584:Nitrogen / Q000378:metabolism*; D010101:Oxygen Consumption; D005082:Physical Exertion
D002245:Carbon Dioxide; D009584:Nitrogen