Your brain is about 73% water — even 2% dehydration can affect attention and memory.

The human eye can adapt to low-light conditions.

Fact #279 · Human Body

There are more lifeforms living in your body than human cells.

Fact #2717 · Human Body

Your brain enables perception.

Fact #2413 · Human Body

Your brain can store the equivalent of millions of gigabytes of information.

Fact #1845 · Human Body

Your brain can store the equivalent of millions of gigabytes of information.

Fact #1798 · Human Body

Teeth are the only part of the body that cannot heal themselves.

Fact #3279 · Human Body

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

Fact #2584 · Human Body

Your brain can store the equivalent of millions of gigabytes of information.

Fact #1944 · Human Body