I'm pretty sure the pancreas
They catalyze a reaction, making it operate at several orders of magnitude faster than it would otherwise, and don't change the end products
Think of it this way, if someone were to perform surgery sure they could probably do it alone... but things go much faster if there's an assistant (enzyme) there handing them the stuff they need
The answer to this question would be gloves and gown.
Clostridium difficile is a microbe that can infect the gastrointestinal tract. The most common route for their infection is hand to mouth contact, therefore it is best to protect your hand. Don't use alcohol hand rub since it can kill them, wash your hand instead.
