If our stomach contains a highly corrosive acid, how do viruses and parasites survive to be able to infect us?

Question

If our stomach contains a highly corrosive acid, how do viruses and parasites survive to be able to infect us?

In: 11

Answer 1

Often these things come in to infect cells from different ways.

The nose and the throat have very soft ways in, these lead to the lungs and the blood stream.

So, breathe, swallow, you have a risk.

Normally, the body is great at fighting this..

Normally!