Only humans shed emotional tears.
331
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
A human being loses an average of 40 to 100 strands of hair a day.
133
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73