title: Effects of breathing O2-enriched gas mixtures on metabolic rate during exercise.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide / Q000032:analysis; D004285:Dogs; D004734:Energy Metabolism; D006339:Heart Rate; D006801:Humans; D007773:Lactates / Q000097:blood; D009119:Muscle Contraction; D009132:Muscles / Q000378:metabolism; D010100:Oxygen / Q000032:analysis; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration
chemical_list: D007773:Lactates; D002245:Carbon Dioxide; D010100:Oxygen