Yawns are more contagious among people with closer relationships.
163
It takes approximately 12 hours for food to entirely digest.
93
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Human hair and fingernails continue to grow after death.
7
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The world's shortest man measures only 21.5 inches.
73
One human hair can support 3 ounces.
191