Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
You forget 90% of your dreams.
256
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
One human hair can support 3 ounces.
191
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Pain occurs when sounds are above 130 db.
124
