The body has two types of sweat glands: eccrine (temperature regulation) and apocrine (stress and emotion).

Only about 20% of people can voluntarily wiggle their ears.

Fact #2874 · Human Body

The average human body contains enough carbon to make about 9,000 pencils.

Fact #2444 · Human Body

Your bones constantly break down and rebuild.

Fact #2636 · Human Body

There are more lifeforms living in your body than human cells.

Fact #2717 · Human Body

Your ears never stop working, even when you're asleep — your brain just filters the sounds out.

Fact #3507 · Human Body

Pacemakers help regulate abnormal heart rhythms.

Fact #1200 · Human Body

Your brain can recognize a familiar face in less than half a second.

Fact #2674 · Human Body

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

Fact #1736 · Human Body