Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The colossal squid has the largest eyes in the world.
4