Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
The human sigh acts as a physiological reset button.
23
In one day, adult lungs move about 10,000 litres of air.
11
Obsessive nose picking is called Rhinotillexomania.
101
Early American humans hunted car-size armadillos and used their shells for houses.
12
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
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