In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Only humans shed emotional tears.
331
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 adult human brain weighs about 3 pounds (1,300-1,400 g).
99
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346