Your stomach gets a new lining every few days to avoid digesting itself.

Your brain creates thought.

Fact #2427 · Human Body

Your brain builds awareness.

Fact #2395 · Human Body

Your mind exists inside your brain.

Fact #2303 · Human Body

The human eye can process images in milliseconds.

Fact #168 · Human Body

There are signals traveling through your nervous system right now at speeds over 200 miles per hour.

Fact #2497 · Human Body

The heart can sometimes restart after stopping.

Fact #3075 · Human Body

Your skin completely replaces itself about every 27 days.

Fact #3270 · Human Body

Dogs' brains release oxytocin when they look at their owners, strengthening emotional bonds.

Fact #2521 · Human Body