The microbes that cover us. And if you look at them in the microscope, you can see that we actually have 10 times as many cells of microbes on us as we have human cells.
Microbii care ne acoperă, dacă vă uitaţi la ei prin microscop, vedeți că de fapt avem de 10 ori mai multe celule de microbi pe noi decât celule umane.