Microbes commonly associated with the human body are known as normal microbiota.
Our body is surrounded by a population of microbes that help the body in various ways. The population of these microorganisms that reside on or within the body is referred to as the normal microbiota.
Like other pathogenic microorganisms, the normal microbiota is not harmful to an organism. The microbiota helps in the maintenance of health.
For example, the gut contains many microorganisms which help the gut in breaking down food and toxins, help in the development of the gut, provide protection against pathogens etc. The small intestine comprises of gram-positive cocci. rod-shaped bacteria and the gram-negative Enterobacteriaceae. All these microorganisms help the small intestine to perform its various functions.
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