Everything needs maintenance in some form, whether organic or not. The only limitation for inorganics right now is an incapability of self-maintenance. We do it

Everything needs maintenance in some form, whether organic or not. The only limitation for inorganics right now is an incapability of self-maintenance. We do it through many ways in our biology: nutrients from diet, exercise (on purpose or just day-to-day activities) for muscles & cardiovascular health. On top of that humanity added its own methods, namely everything done in healthcare & pharmaceuticals.