Eli5 I’ve always wonder why when you “step” in germs they don’t try to make their way to your mouth, and how is it different, when you touch your mouth with germs on your hand they know they have to go inside, but not when they’re on your elbow or leg.

Question

Eli5 I’ve always wonder why when you “step” in germs they don’t try to make their way to your mouth, and how is it different, when you touch your mouth with germs on your hand they know they have to go inside, but not when they’re on your elbow or leg.

In: Biology

Answer 1

I’m confused by the question. How would the germs get to your mouth from your foot? Are you sucking on your toes?