The stapedius, located in the middle ear, is the smallest muscle in the human body.

Your brain interprets input.

Fact #2417 · Human Body

Less than 1% of people have heterochromia, where eyes are different colors.

Fact #2869 · Human Body

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

Fact #3274 · Human Body

The human body produces billions of cells every day.

Fact #2651 · Human Body

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

Fact #1944 · Human Body

The human nervous system can transmit signals faster than a Formula One car.

Fact #2461 · Human Body

The pacemaker regulates irregular heartbeats.

Fact #1581 · Human Body

Your skin completely replaces itself about every 27 days.

Fact #3270 · Human Body