Bone Fact

By weight, Bone is five times stronger than steel.

More Humans Facts

Largest and smallest cells in human

The largest cell in the human body is the female egg and the smallest is the male sperm.

When you take a step

When you take a step, you are using up to 200 muscles.

Speed of a Sperm Cell

The average sperm cell swims at 8 inches per hour.

Show More Humans Facts