Colonoscopies can prevent colorectal cancer by removing polyps before they become malignant.

There are more bacteria in your body than human cells.

Fact #2448 · Human Body

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

Fact #3507 · Human Body

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

Fact #2717 · Human Body

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

Fact #1798 · Human Body

Goosebumps are a vestigial reflex from when human ancestors had more body hair to keep them warm.

Fact #3283 · Human Body

Your brain interprets input.

Fact #2417 · Human Body

The human body has over 600 muscles.

Fact #160 · Human Body

The human nervous system can send signals at over 200 miles per hour.

Fact #2642 · Human Body