While you have distinct microbiomes in your mouth, skin, and lungs, the largest concentration is found in the (large intestine).
A balanced microbiome, or , is essential for daily bodily functions: The Human Microbiome and Its Impacts on Health - PMC - NIH Everything You Need to Know About Microbiome an...
: No two microbiomes are the same. Even identical twins share only about 20% of their gut microbes. While you have distinct microbiomes in your mouth,