Answer:
All catalysts speed up chemical reactions.
Inorganic catalysts usually remain in one place and are used over and over again.
Organic catalysts all contain carbon. They generally have a short life span. Your body uses them in its digestive tract. While your body reuses them, it is also constantly making new catalysts to replace the ones lost or destroyed. They are used in washing clothes where they last for one load. The catalytic convertor in your car uses inorganic chemicals and goes for many miles before it is replaced. (If you can figure out a way to use an organic catalyst in a catalytic convertor, you will be rich.)