Early American humans hunted car-size armadillos and used their shells for houses.
12
Every human spent about half an hour as a single cell.
144
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130