title: A critical ratio of aging: water loss--heat production.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D000818:Animals; D001481:Basal Metabolism; D001826:Body Fluids; D001833:Body Temperature Regulation; D002417:Cattle; D002477:Cells / Q000378:metabolism*; D002645:Chickens; D002648:Child; D005260:Female; D006168:Guinea Pigs; D006736:Horses; D006801:Humans; D008297:Male; D008875:Middle Aged; D010063:Ovum / Q000378:metabolism; D010101:Oxygen Consumption; D051381:Rats; D012911:Snakes; D013045:Species Specificity; D014867:Water / Q000032:analysis / Q000378:metabolism*
chemical_list: D014867:Water