Your body contains enough iron to make a small nail.

The human body replaces many of its cells regularly.

Fact #182 · Human Body

The first forests appeared during the Devonian period.

Fact #710 · Human Body

The Earth's inner core is solid despite extreme heat.

Fact #217 · Human Body

A king cobra can raise a third of its body off the ground.

Fact #421 · Human Body

Saber-toothed cats had elongated canine teeth.

Fact #674 · Human Body

Your bones are stronger than steel.

Fact #1716 · Human Body

A dog’s nose print is unique, similar to a human fingerprint.

Fact #1347 · Human Body

The human eye can distinguish millions of colors.

Fact #74 · Human Body