title: Energy requirement and metabolism during exposure to extreme environments.
mesh_terms: D000064:Acclimatization; D000328:Adult; D000367:Age Factors; D000368:Aged; D000531:Altitude; D001831:Body Temperature; D001835:Body Weight; D002980:Climate; D003020:Clothing; D003080:Cold Temperature; D004777:Environment; D004780:Environment, Controlled; D005260:Female; D006339:Heart Rate; D006358:Hot Temperature; D006801:Humans; D006813:Humidity; D008297:Male; D008660:Metabolism; D008875:Middle Aged; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D012737:Sex Factors; D013545:Sweat Glands / Q000502:physiology