Your left lung is slightly smaller than your right to make room for your heart.

Cats can rotate their ears independently.

Fact #1336 · Human Body

Learning involves changes in neural connections.

Fact #986 · Human Body

Your stomach replaces itself every few days.

Fact #1696 · Human Body

The dragonfish has bioluminescent organs along its body.

Fact #1404 · Human Body

Some snakes shed their skin multiple times a year.

Fact #485 · Human Body

Your brain uses patterns to recognize faces almost instantly.

Fact #1752 · Human Body

The gulper eel has a large mouth that allows it to swallow prey bigger than its body.

Fact #1386 · Human Body

A hyena’s jaw is powerful enough to crush bone.

Fact #502 · Human Body