"Amazing Facts 1" joke

It takes about 20 seconds for a red blood cell to circle the whole body.
It's been proven that people can lessen reactions to allergies by laughing.
Laughing lowers levels of stress hormones and strengthens the immune system.
Six-year-olds laugh an average of 300 times a day.Adults only laugh 15 to 100 times a day.
In the middle ages, people would pin the name of their sweetheart to their sleeve on Valentine's Day and keep it there for a week, hence 'wearing their heart on their sleeve'.
It was during the Victorian era that the formerly nude Cupid was redesigned as wearing a skirt.
The human heart creates enough pressure while pumping to squirt blood 30 feet!!
February 1865 is the only month in recorded history not to have a full moon.
Tomato Ketchup was once used as medicine in the United States. Was sold as "Dr.Miles Compound Extract of Tomato"
When you blush, the lining of your stomach also turns red
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury
The quartz crystal in your wristwatch vibrates 32,768 times a second
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
Shoe sizes were standardized in Britain in 1885
The average person's eyes will be closed about 30 minutes a day due to blinking.
Women blink nearly twice as much as men.
Every day 200 million couples make love, 400,000 babies are born, and 140,000 people die.
There are at least 40 known carcinogens in cigarettes.
The earliest British expeditions tackling Everest wore tweed jackets, woolen underwear, and leather boots.
The amniotic fluid that surrounds a baby in the womb is completely replaced every three hours.
During World War II, twice as many fighter pilots were killed during training than combat