Enamel is hardest substance in the human body.
61
Obsessive nose picking is called Rhinotillexomania.
101
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The human brain is more active during sleep than during the day.
28
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human sigh acts as a physiological reset button.
23