MICROANATOMY

Detailed explanation-1: -Numerous cells are involved in the innate immune response such as phagocytes (macrophages and neutrophils), dendritic cells, mast cells, basophils, eosinophils, natural killer (NK) cells and innate lymphoid cells.

Detailed explanation-2: -NK cells. NK cells constitute the primary innate immune cell type responsible for killing non-MHC expressing cancer cells, releasing small cytotoxic proteins such as perforin and granzyme that cause apoptosis in target cells.