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, 2nd line of deffense - fever, and inflammatory response caused by fluids and macrophages being sent to infected area , pathogen - virus, bacteria, protists, and fungi are examples, 3rd line of defense - b-cells and t-cells reacting to specific antigens on pathogens, antibiotic - chemicals that destroy bacteria, antigen - any foreign molecule in your body; found on the surface of pathogens, antibody - proteins made bb B-cells used to mark pathogens for destruction by the macrophages,

Immune System

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