We share 70% of our DNA with a slug.
218
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
It takes approximately 12 hours for food to entirely digest.
93
Enamel is hardest substance in the human body.
61
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14