The human liver can regenerate to full size from as little as 25% of original tissue.

Blood makes up about 7% of a person's body weight.

Fact #3506 · Human Body

Your brain fills in your blind spot so you never see it.

Fact #3044 · Human Body

Your bones are stronger than steel of the same weight.

Fact #2343 · Human Body

Your stomach lining replaces itself every few days.

Fact #2645 · Human Body

More than half of all humans ever lived died before age 10.

Fact #3089 · Human Body

Only about 10% of people have a dominant left eye.

Fact #2876 · Human Body

There are people alive today whose hearts have stopped for hours and were restarted.

Fact #2226 · Human Body

The pacemaker regulates irregular heartbeats.

Fact #1581 · Human Body