Interesting Health Facts for Fun

It is not possible to tickle yourself

The average woman is how many inches shorter than the average man?

When you are looking at someone you love, your pupils will do which?

Which is the smallest cell in the human body?

How many sperm can be produced by testes every heart beat?

Gallons of blood the heart pumps through the blood vessels each day

How many miles of blood vessels are there in the human body?

It takes more muscles to frown than it does to smile.

Which is the largest cell in the human body?