how disease causing microoganisms enter into human being?
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Microorganisms capable of causing disease—pathogens—usually enter our bodies through the mouth, eyes, nose, or urogenital openings, or through wounds or bites that breach the skin barrier. Organisms can spread—or be transmitted—by several routes.
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when microorganisms enter to body because of their antigenic properties of cell wall and outer coat . sometimes relase of toxin which are dangerous or lethal for our cell .
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