Your pinky finger contributes about 50% of your hand's overall grip strength.

Queen lead singer Freddie Mercury was born with four extra teeth in his upper jaw giving him his distinct smile.

Fact #2584 · Human Body

The left lung is slightly smaller than the right to make room for the heart.

Fact #3629 · Human Body

Humans are the only primates with whites (sclerae) visible in their eyes, which helps with social communication.

Fact #3287 · Human Body

Your brain builds awareness.

Fact #2395 · Human Body

Your ears never stop working, even when you're asleep — your brain just filters the sounds out.

Fact #3507 · Human Body

Humans shed about 30,000 to 40,000 dead skin cells every hour.

Fact #3628 · Human Body

The human body contains trillions of microorganisms.

Fact #233 · Human Body

Your stomach lining replaces itself every few days.

Fact #2645 · Human Body