The esophagus moves food to the stomach through peristalsis — muscular contractions, not gravity.

Your skin completely replaces itself about every 27 days.

Fact #3270 · Human Body

Your brain fills in blind spots in your vision automatically.

Fact #2740 · Human Body

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

Fact #3274 · Human Body

The human brain can store vast amounts of information.

Fact #2646 · Human Body

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

Fact #3245 · Human Body

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

Fact #2112 · Human Body

There are signals traveling through your nervous system right now at speeds over 200 miles per hour.

Fact #2497 · Human Body

The left lung is slightly smaller than the right to make room for the heart.

Fact #3629 · Human Body