What are microorganisms? How do they enter our body?
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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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The organisms which are not visible to our naked eyes are called microorganism.
They are also know as Microbes.
They usually enter our body through the mouth , Eyes , nose , or urogerital openings , or through wounds or bites that breach the skin barrier.
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