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
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Pain occurs when sounds are above 130 db.
124
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Every human spent about half an hour as a single cell.
144
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191