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CH15 L1 (role of skin in innate immunity (skin-organ of the body with the…
CH15 L1
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3 lines of defense
1- made up of external barriers to pathogens, especially the skin and mm
2- internal and made up of protective cells blood borne chemicals and processes that inactivate or kill invaders an example would be phagocytic white blood cells
3- lymphocytes that respond against unique species and strains of pathogens and alter the body's defense. They are specific and have memory.
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