Exercise, including weightlessness.
D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D000368:Aged; D000531:Altitude; D001775:Blood Circulation; D001833:Body Temperature Regulation; D005080:Exercise Test; D005260:Female; D006801:Humans; D007668:Kidney / Q000502:physiology; D008297:Male; D008660:Metabolism; D008875:Middle Aged; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D014893:Weightlessness