It takes about 20 seconds for a red blood cell to circle the whole body.
102
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
There are about 255 babies born worldwide every minute.
46
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
You forget 90% of your dreams.
256
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Yawns are more contagious among people with closer relationships.
163
A man's beard grows fastest when he anticipates sex.
239