macrophage, a white blood cell that engulfs invading pathogens, Killer T cell, destroy infected cells or pathogens, B cell, produce antibodies, Antibodies, proteins that tag pathogens for destruction, non specific immune response, includes inflamation and fever, 1st line of defense, skin, digestive system, saliva, mucas, immune system, system that defends body against pathogens, lymphocytes, a type of white blood cell used in specific immune response, pathogen, virus, bacteria, protists, and fungi are examples

immune system

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