Why did the two red blood cells break up?

Did you hear about the mathematician who's afraid of negative numbers?

Why did the chemist read the book on helium so fast?

What did the baby light bulb say to the mommy light bulb?

What is the best Christmas present ever?

How did one orca ask the other to be his valentine?

What goes by slower than a plot-less movie?

What did the dentist say to the tooth when he had to leave the room?

What do math teachers eat?

Why are elephants wiser than chickens?

What birds make average students?

What type of pasta helps you relax?

Which yearbook superlative did the dog win?

Why couldn't the NBA® player date the WNBA® player?

What does Father Christmas suffer from if he gets stuck in a chimney?