Mikrobiologisk boks 2: Hvad er der i din petri?

Microbiologists have found that microbes can live just about everywhere, even on us! We have trillions of microbes inside and outside of our bodies. Run your tongue over your teeth?you are licking thousands of microbes that normally live on your teeth. Millions of them live on your tongue, too. A large part of the mass of your body is actually something else: bacteria, viruses, and fungi.