Immunity against cancer cells -
Ans. is 'c' i.e., NK cells o NK cells are endowed with an innate ability to kill a variety of tumor cells, virally infected cells, and some normal cells, without previous sensitization. o These cells are pa of the innate immune system, and they may be the first line of defense against viral infections and, perhaps, some tumors.
Basophills
Eosinophils
NK cells
Neutrophils
NK cells