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
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
You can't tickle yourself.
29
By weight, Bone is five times stronger than steel.
417
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130