– A person will die from total lack of sleep sooner than from starvation. Death will occur about 10 days without sleep, while starvation takes a few weeks.
– A cough releases an explosive charge of air that moves at speeds up to 60 mph
– A sneeze can exceed the speed of 100 mph.
– An average human drinks about 16, 000 gallons of water in a lifetime.
– An individual blood cell takes about 60 seconds to make a complete circuit of the body.
– Babies are born with 300 bones, but by adulthood we have only 206 in our bodies.
– Beards are the fastest growing hairs on the human body. If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime.
– Every person has a unique tongue print.
– Humans shed and re-grow 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.
– It takes 17 muscles to smile — 43 to frown.
– Jaw muscles can provide about 200 pounds of force to bring the back teeth together for chewing.
– 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.
– On average women say 7,000 words per day. Men manage just over 2000.
– One in every 2000 babies is born with a tooth.
– The ashes of the average cremated person weigh nine pounds.
– The average adolescent girl has 34,000 underdeveloped egg follicles, although only 350 or so mature during her life (at the rate of about one per month).
– Most men have erections every hour to hour and a half during sleep.
– 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.
– The human brain is about 85% water.
– The largest cell in the human body is the female ovum, or egg cell. It is about 1/180 inch in diameter. The smallest cell in the human body is the male sperm. It takes about 175,000 sperm cells to weigh as much as a single egg cell.
– The most common blood type in the world is Type O. The rarest, Type A-H, has been found in less than a dozen people since the type was discovered.
– The sound of a snore (up to 69 decibels) can be almost as loud as the noise of a pneumatic drill.
– Three-hundred-million cells die in the human body every minute.
– Women burn fat more slowly than men, by a rate of about 50 calories a day.
– Women’s hearts beat faster than men’s.
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