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Unformatted text preview: These act as physical and chemical barriers. ANTIMICROBIAL PROTEINS 2 INNATE IMMUNITY and the INFLAMMATORY RESPONSE PHAGOCYTIC WHITE CELLS AND NATURAL KILLER (NK) CELLS Neutrophils Monocytes Macrophages Natural killer cells THE IMMUNE SYSTEM a secondary response which is both a specific and adaptable means of surveillance. IMMUNOLOGY (the study of the immune system) arose from the observation that people who survive infections rarely get the same infection again. This is what we call protective immunity . THE IMMUNE RESPONSE There are four fundamental characteristics :...
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- Winter '08