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,

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