| http://www.w3.org/ns/prov#value | - is called Phagocytosis(innate immunity) ??? ??? ??? Lymphocytes that kill many types of tumor cells and cells infected by different kinds of viruses are known as natural killer cells. ??? ??? ??? This protein interferes with the ability of viruses to cause disease Interferon ??? ??? ??? Specific immunity, part of the body's third line of defense, is orchestrated by two different classes of a type
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