Tiny creatures the world of microbes6/12/2023 ![]() ![]() They produce vitamins and proteins that human genes cannot produce. Most of our human microbiome, however, is neutral or even beneficial. Microbes help digest food, absorb nutrients, and out-compete harmful bacteria in the intestines. Humans typically associate microbes with disease. Our " human microbiome" includes our skin, hair, mouth, and gut. Most animals, including humans, exhibit numerous associations with microbes. Microbes also dominate in terms of their ability to live and thrive in extreme environments, including clouds, deep-sea volcanoes, springs, ice caps, and animal intestines. ![]() Far more microbes inhabit a single person’s body than there are people on the entire planet. They account for most of the diversity of life on Earth. They include bacteria, archaea, protists, viruses, prions, and fungi. Microbes are organisms that cannot be seen with the naked eye. ![]()
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