<prompt> All of the following are pa of the innate immunity except -ComplementNK cellsMacrophagesT cells  <response>: Natural killer cells NK cells are a component of the innate immune system that does not directly attack invading microbes. Other components are mast cells, eosinophils, basophils; and the phagocytic cells including macrophages, neutrophils,complement cascade and dendritic cells. Ref: Ananthanarayan Panikers textbook of microbiology 9th edition pg.no. : 78-81 