Igazi lenziwe nge[[blood plasma|ngamanzi atyheli-buphatsha nangawona adibanisa iimbewu zegazi zitsho zikwazi ukuhlala zidibene zisebenzisana ndawonye kunye nezinye iintlobo-ntlobo zeembewu zegazi — iimbewu zegazi ezibomvu, iimbewu zegazi ezimhlophe kunye neembewu zegazi ezimisa ukopha okanye ukumpompoza kwegazi ekuthiwa ziiplatelets. Iiplatelets’’ zinceda ngokunqamla ukopha. Iigazi elinesakhamzimba i-iron eneproteni ifumaneka kwiimbewu zegazi ezibomvu. Iimbewu ezimhlophe apha egazini zona ziluncedo ekulweni nosuleleko zize ziphinde zinyange amanxeba.