The cerebellum stores procedural memories — how to ride a bike or play piano.

Your stomach gets a new lining every three to four days because the acid would otherwise digest itself.

Fact #3491 · Human Body

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

Fact #2226 · Human Body

The human body can survive about 3 days without water.

Fact #3064 · Human Body

The brain begins to suffer damage after about 5 minutes without oxygen.

Fact #3069 · Human Body

The heart pumps blood through approximately 60,000 miles of blood vessels.

Fact #165 · Human Body

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

Fact #1783 · Human Body

The femur (thigh bone) is stronger than concrete.

Fact #3286 · Human Body

The small intestine is about 20 feet long despite being called 'small' — the name refers to its width.

Fact #3499 · Human Body