The human ear can distinguish between hundreds of thousands of different sounds.

The cornea of the eye has no blood vessels — it gets oxygen directly from the air.

Fact #3497 · Human Body

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

Fact #1892 · Human Body

Goosebumps are a vestigial reflex — in our hairier ancestors, they made fur stand up to appear larger or stay warm.

Fact #3505 · Human Body

Your brain processes reality.

Fact #2399 · Human Body

The human body contains enough carbon to make thousands of pencils.

Fact #2625 · Human Body

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

Fact #2444 · Human Body

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

Fact #1908 · Human Body

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

Fact #3491 · Human Body