Factors limiting exercise: summing up (abridged).
D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008171:Lung Diseases / Q000503:physiopathology*; D009132:Muscles / Q000378:metabolism; D010100:Oxygen / Q000097:blood*; D005082:Physical Exertion; D014692:Ventilation-Perfusion Ratio
D002245:Carbon Dioxide; D010100:Oxygen