The human body can survive about 3 days without water.

More than half of all humans ever lived died before age 10.

Fact #3089 · Human Body

The human eye can distinguish about 10 million different colors.

Fact #3266 · 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

The human brain contains about 86 billion neurons.

Fact #1676 · Human Body

Your brain generates signals.

Fact #2411 · Human Body

The liver can regenerate itself — as little as 25% of the liver can regrow into a full organ.

Fact #3276 · Human Body

Only about 20% of people can voluntarily wiggle their ears.

Fact #2874 · Human Body