How can you tell the difference between a chemist and a plumber?
Ask them to pronounce "unionized".
What's the difference between a teacher and a train?
The teacher says, "Spit out your gum," but a train says, "Chew chew!"
What's the difference between roast beef and pea soup?
It's easy to roast beef.
What's the difference between a surgeon and God?
God knows he's not a surgeon.
What's the difference between a silver medal and a priest?
They both came in a little behind.
What's the difference between an enzyme and a hormone?
You can't hear an enzyme.
