Human Body
In an average healthy adult, the volume of blood is
one-eleventh of the body weight, or between 5 and 6 quarts. (The amount of oil used in the
average V8 engine)
In ten years, the average man shaves off a
pound of whiskers.
A cough releases
an explosive charge of air that moves at speeds up to 60 mph.
A fingernail or
toenail takes about 6 months to grow from base to tip.
A human being
loses an average of 40 to 100 strands of hair a day.
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 sneeze can
exceed the speed of 100 mph.
According to
German researchers, the risk of heart attack is higher on Monday than any other day of the
week.
According to the
Kinsey Institute, the biggest erect penis on record measures 13 inches. The smallest tops
off at 1 3/4 inches.
An average human
scalp has 100,000 hairs.
Blondes have
more hair than dark-haired people.
By age sixty,
most people have lost half of their taste buds.
By the time you
turn 70, your heart will have beat some two-and-a-half billion times (figuring on an
average of 70 beats per minute.)
Only one person
in two billion will live to be 116 or older.
Each square inch
of human skin consists of twenty feet of blood vessels.
Every human
spent about half an hour as a single cell.
Babies are born
without knee caps. They don't appear until the child reaches 2-6 years of age.
Every person has
a unique tongue print.
Every square
inch of the human body has an average of 32 million bacteria on it.
Every time you
lick a stamp, you're consuming 1/10 of a calorie.
Fingernails grow
faster than toenails.
Our eyes are
always the same size from birth, but our nose and ears never stop growing.
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
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.
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.
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.
Most men have
erections every hour to hour and a half during sleep.
The "funny
bone" is not a bone, it is a nerve.
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.
The average
person releases nearly a pint of intestinal gas by flatulence every day. Most is due to
swallowed air. The rest is from fermentation of undigested food.
The feet account
for one quarter of all the human bodies bones -- That's 52 bones in the feet alone.
The average
person takes 8,000 to 10,000 steps a day. Those cover several miles, and they all add up
to about 115,000 miles in a lifetime -- equal to circling the globe nearly five times.
When a person
weighing 150 pounds jogs three miles, the cumulative impact on each foot is greater than
150 tons.
A pair of feet
have 250,000 sweat glands and can produce as much as eight ounces of sweat in one day.
The human body
has enough fat to produce 7 bars of soap.
The human body
has over 600 muscles, 40% of the body's weight.
The human brain
is about 85% water.
The largest cell
in the human body is the female reproductive cell, the ovum. The smallest is the male
sperm.
The largest
human organ is the skin, with a surface area of about 25 square feet.
The left lung is
smaller than the right lung to make room for the heart.
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.
There are 45
miles of nerves in the skin of a human being.
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.