By weight, Bone is five times stronger than steel.
417
Every human spent about half an hour as a single cell.
144
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252