Answer:
Natural killer cells are a type of lymphocyte that acts against foreign cells and pathogens. They are also known as cytotoxic T-cells, because they can destroy infected or cancerous cells. Natural killer cells act by recognizing specific molecules on the surface of foreign objects, such as bacteria or viruses. Once they have been identified, natural killer cells release chemicals called cytokines which stimulate other immune system components to attack the target cell.
Natural Killer Cells Are Specialized Lymphocytes
Natural killer (NK) cells are a type of lymphocyte that is part of the adaptive immune system. They
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