The small intestine is about 6–7 meters long — absorbing 90% of food's nutrients.

The average person produces about 1–2 liters of saliva per day.

Fact #3288 · Human Body

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

Fact #2777 · Human Body

Less than 1% of people have heterochromia, where eyes are different colors.

Fact #2869 · Human Body

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

Fact #1892 · Human Body

The human jaw is the fastest-healing part of the body.

Fact #3284 · Human Body

The human body contains trillions of cells.

Fact #142 · Human Body

The human body generates electricity.

Fact #2662 · Human Body

Your brain creates thought.

Fact #2427 · Human Body