Bacteria and the Human Body 

bacteria

The human body is an ecosystem and in it is 10,000,000,000,000 (10 trillion) cells and 100,000,000,000,000 (100 trillion) microbes. It’s a ratio of 10:1 meaning that human beings are 90% microbial and only 10% mammalian. There are approximately 7000 different species of microbe within the intestine, approximately 700 different species within the mouth, approximately 300 – 400 different species within the vagina, and approximately 700 different species within and found upon the skin. Bacteria perform a myriad of tasks which includes regulating metabolic rates and regulating the immune system, among other various tasks

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