Iplasma yegazi yinto engamanzi atyheli adada apha egazini. Nayo ke yenziwe ngezakha-mzimba, iityuwa zomzimba ezinyibilikayo, umoya ohlaziya nongcolisa umzimba, amagatya alawula ukusebenza komzimba engasebenzisi ziproteni, ukungcola okungaphakathi emzimbeni, izakhamzimba zendalo ezingamafutha omzimba, kunye neeproteni.