Ageing, involution, and senescence.
D000367:Age Factors; D000368:Aged; D000375:Aging; D001481:Basal Metabolism; D001775:Blood Circulation; D001835:Body Weight; D002302:Cardiac Output; D002455:Cell Division; D003094:Collagen / Q000502:physiology; D004702:Endocrine Glands / Q000254:growth & development; D005853:Geriatrics; D005919:Glomerular Filtration Rate; D006321:Heart / Q000254:growth & development; D006801:Humans; D007668:Kidney / Q000254:growth & development; D008017:Life Expectancy; D008168:Lung / Q000254:growth & development; D009026:Mortality; D024510:Muscle Development; D009413:Nerve Fibers, Myelinated; D009420:Nervous System / Q000254:growth & development; D009929:Organ Size; D010101:Oxygen Consumption; D012867:Skin / Q000254:growth & development
D003094:Collagen