Citizens of the body?

We live in a world dense with microbes:  bacteria, virus and fungi abound in the air, water, and soil, and on the living things around us.  Most of these organisms have little interest in the human species.  Yet a specialized few find the human body an inviting habitat:  warm, protected, and well stocked with nutrients.

Some settle in the nose and ears, some on the skin and in the intestinal tract.

AMAZING INS’NT IT?

20/20   VISION  —  SEEING YOUR POSSIBILITIES!

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