Water requirements.
D000375:Aging / Q000502:physiology; D001834:Body Water / Q000378:metabolism*; D003681:Dehydration / Q000209:etiology; D006801:Humans; D007223:Infant; D007413:Intestinal Mucosa / Q000378:metabolism; D007668:Kidney / Q000378:metabolism; D008168:Lung / Q000378:metabolism; D009751:Nutritional Requirements; D012867:Skin / Q000378:metabolism; D014867:Water
D014867:Water