Why do babies wear diapers?

1. so- Babies wear diapers because they have no idea what doing their business is. So they can't control themselves. They might poo in their pants, but that's what diapers are for.
2. Well, pee is the same thing.

They tend to poo whenever they need to. Diapers catch the poo and pee so that they don't make a huge nasty mess. It is easier to clean.