Each kidney contains about one million tiny filtration units called nephrons.

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

Fact #421 · Human Body

The fangtooth fish has some of the largest teeth relative to body size in the ocean.

Fact #1392 · Human Body

Pandas have a specialized wrist bone that functions like a thumb.

Fact #1237 · Human Body

Ankylosaurus had a heavily armored body and a clubbed tail.

Fact #673 · Human Body

The Human Genome Project mapped the entire human genetic sequence.

Fact #1018 · Human Body

A gecko can climb vertical surfaces using microscopic hairs on its feet.

Fact #415 · Human Body

The human eye adapts to darkness by increasing light sensitivity.

Fact #899 · Human Body

Mammoths and early humans lived at the same time.

Fact #633 · Human Body