Fun Trivia Facts about Humanity

Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
Fingernails grow faster than toenails.
Fingerprints serve a function - they provide traction for the fingers to grasp things.
Humans shed about 600,000 particles of skin every hour - about 1.5 pounds a year. By 70 years of age, an average person will have lost 105 pounds of skin.
Humans shed and regrow outer skin cells about every 27 days - almost 1,000 new skins in a lifetime.
If it were removed from the body, the small intestine would stretch to a length of 22 feet.
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
If you go blind in one eye, you'll only lose about one-fifth of your vision (but all your depth perception.)
In a lifetime the average US resident eats more than 50 tons of food and drinks more than 13,000 gallons of liquid.
In the late 19th century, millions of human mummies were used as fuel for locomotives in Egypt where wood and coal was scarce, but mummies were plentiful.
It takes 17 muscles to smile --- 43 to frown.
Intelligent people have more zinc and copper in their hair.
Insomniacs may move as many as seventy times.
. Jaw muscles can provide about 200 pounds of force to bring the back teeth together for chewing.
Kids in North America spend close to half a billion dollars annually on chewing gum!
Lab tests can detect traces of alcohol in urine six to 12 hours after a person has stopped drinking.
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.
Most men have erections every hour to hour and a half during sleep.
The ashes of the average cremated person weigh nine pounds.
The average duration of sexual intercourse for humans is 2 minutes.
The average human body contains enough: iron to make a 3 inch nail, sulfur to kill all fleas on an average dog, carbon to make 900 pencils, potassium to fire a toy cannon, fat to make 7 bars of soap, phosphorous to make 2,200 match heads, and water to fill a ten-gallon tank.
The average human produces 25,000 quarts of spit in a lifetime, enough to fill two swimming pools.