Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Kwayoyin cutar da ke ɗaure ga antigens na farfajiyar (alal misali, akan ƙwayoyin cuta) za su jawo hankalin kashi na farko na cascade na kari tare da yankin Fc ɗin su kuma fara kunna tsarin kari na "classic". Wannan yana kashe kwayoyin ta hanyoyi biyu. Na farko, haɗuwa da kwayoyin rigakafi da kari yana nuna alamar microbe don cinyewa ta hanyar phagocytes a cikin wani tsari da ake kira opsonization; wadannan phagocytes suna janyo hankalin wasu kwayoyin kari da aka samar a cikin cascade na kari. Na biyu, wasu abubuwan tsarin kari suna samar da hadadden harin membrane don taimakawa kwayoyin cutar kashe kwayoyin kai tsaye (bacteriolysis).  Tambaya: Wace irin tsari ne wadannan antibodies suke da shi?
na gargajiya