Human teeth are as hard as shark teeth — both are coated in a mineral called hydroxyapatite.

Your brain can store the equivalent of millions of gigabytes of information.

Fact #1991 · Human Body

People can survive significant blood loss with rapid treatment.

Fact #3072 · Human Body

Teeth are the only part of the body that cannot heal themselves.

Fact #3279 · Human Body

Your brain can store the equivalent of millions of gigabytes of information.

Fact #1745 · Human Body

Your nose can detect over 1 trillion different scents.

Fact #3265 · Human Body

People can survive weeks without food under certain conditions.

Fact #3065 · Human Body

You blink over 20 million times per year.

Fact #2794 · Human Body

Red blood cells complete a full circuit of the body in about 20 seconds.

Fact #3272 · Human Body