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
Pain occurs when sounds are above 130 db.
124
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
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
The human body contains over a billion miles of DNA.
147
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
You can't tickle yourself.
29