Your heart creates enough pressure to squirt blood several feet.

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

Fact #34 · Human Body

Your skin completely replaces itself about every 27 days.

Fact #3270 · Human Body

Your body replaces most of its atoms over time.

Fact #2289 · Human Body

Roughly 80% of people will experience back pain at some point in their lives.

Fact #2777 · Human Body

The human brain contains billions of neurons involved in thinking.

Fact #2983 · Human Body

Your stomach gets a new lining every few days to avoid digesting itself.

Fact #2711 · Human Body

The human eye adapts to darkness by increasing light sensitivity.

Fact #899 · Human Body

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

Fact #3274 · Human Body