Energy expenditure constrained by sex and age.
D000293:Adolescent; D000328:Adult; D000332:Aerobiosis; D000367:Age Factors; D002675:Child, Preschool; D004734:Energy Metabolism; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D012737:Sex Factors; D013314:Stress, Mechanical