Sisitemu yo hanze yakosowe ni igikoresho cyubuvuzi kugirango gihuze kandi gihimba amagufwa mugihe cyo kuvunika imanza, ubumuga bwo kwibuho, cyangwa amagufwa. Igizwe n'amapine, imigozi, rodesi clamps zishyirwaho hanze kumuntu kandi zihuza igufwa rinyuze mumashyamba ukoresheje tissue.
Sisitemu itanga gukosorwa bidashoboka ko ishyirwa mu gihugu, bigatuma ingirakamaro mu buryo bugoye mu mvururu zitoroshye, indwara zikunda kwandura, na limburnicheside.