How to Keep the Invading Robots Out of Your Body

Your body's first line of defence against germs is to try to keep these bad things from getting into the body in the first place. In our city, let's imagine myr skin as in a big wall round the city. It blocks out those bad robot vices from just waltzing in and making a mess of things. This wall is impenetrable. But my sensers detect openings over there? Yes. Germs often try to get in through openings in our body, places like our noses, mouths or eyes. And if a germ does happen to make it into your omach, the acid there will often take care of it. The stomach acid sind is