Respuesta :
The part of the innate (nonspecific) immune system targets cells that do not belong into our body will be "natural killer cells".
The third significant component of the innate immunity is the natural killer cells. They specialise in the detection of tumor-forming or virus-infected cells. To accomplish this, they look for cells whose surfaces have changed, and then use cell toxins to demolish the cell surface.
Only after prior exposure to a virus does the body begin to generate antibodies, which are highly specific for such a single antigen. It would be therefore not regarded as innate.
Therefore, the correct answer is option (c)
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