Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Research has determined that most people are happiest at 7:26pm on a Saturday night.
70
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The average sperm cell swims at 8 inches per hour.
4
Pain occurs when sounds are above 130 db.
123
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.
199