Only 1/6 of the human eyeball is exposed.

Only 1/6 of the human eyeball is exposed

More from the Human Body Facts niche...

Human Body Facts

Sleep is so important to the brain that scientists believe you can only

Human Body Facts

Your kidneys filter over a litre of blood every single minute

Human Body Facts

Despite what you might think, you have the same number of bones in your

Human Body Facts

The human eye can function at 100% at any given moment, without needing

Human Body Facts

Your eyes are comprised of rods and cones. Rods allow you to see shapes,

Human Body Facts

Our eyes are made up of over 2 million working parts