Your body generates enough heat in 30 minutes to boil half a gallon of water.

Only about 5% of people have detached retinas in their lifetime.

Fact #2878 · Human Body

You replace most of your body's atoms every few years.

Fact #2681 · Human Body

Your bones are stronger than steel.

Fact #1716 · Human Body

Horses cannot breathe through their mouths — they are obligate nasal breathers.

Fact #3245 · Human Body

The human skeleton is made up of over 200 bones in adulthood.

Fact #34 · Human Body

The human eye can distinguish millions of colors.

Fact #74 · Human Body

Your brain edits out constant sensations like clothing touching your skin.

Fact #3048 · Human Body

The human brain can process images in as little as 13 milliseconds.

Fact #2485 · Human Body