Every human spent about half an hour as a single cell.
144
In one day, adult lungs move about 10,000 litres of air.
11
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Yawns are more contagious among people with closer relationships.
163
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
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Enamel is hardest substance in the human body.
61
Obsessive nose picking is called Rhinotillexomania.
101