Only one sixth of the human eyeball is exposed.

Only one sixth of the human eyeball is exposed

More from the Human Body Facts niche...

Human Body Facts

An eye is composed of more than 2 million working parts

Human Body Facts

80% of what we learn is through our eyes

Human Body Facts

Men’s hair is about twice as thick as women’s

Human Body Facts

Common dreams are about potted plants, worms and frogs

Human Body Facts

It’s impossible to sneeze and keep one’s eyes open at the same time

Human Body Facts

The eye is the fastest muscle in your body – hence why when something