Adaptation to maximal effort: genetics and age.
D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D000375:Aging; D002306:Cardiac Volume; D002648:Child; D005260:Female; D005826:Genetics, Medical; D006579:Heterozygote; D006720:Homozygote; D006801:Humans; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D005082:Physical Exertion; D011247:Pregnancy; D011652:Pulmonary Circulation; D012119:Respiration; D014427:Twins