| At
this very moment, up to 100 trillion living things are forming, doing jobs, and dying off inside you. Hey, it’s a busy place in there! What exactly are these things, and more importantly, what are they doing inside you? |
| At
this very moment, up to 100 trillion living things are forming, doing jobs, and dying off inside you. Hey, it’s a busy place in there! What exactly are these things, and more importantly, what are they doing inside you? |