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Fun facts

Did You Know?

• A human being loses an average of 40 to 100 strands of hair a day.

• A cough releases an explosive charge of air that moves at speeds up to 60 mph.

• Every time you lick a stamp, you consume 1/10 of a calorie.

• A fetus acquires fingerprints at the age of three months.

• A sneeze can exceed the speed of 100 mph.

• Every person has a unique tongue print.

• According to German researchers, the risk of heart attack is higher on Monday than any other day of the week.

• After spending hours working at a computer display, look at a blank piece of white paper. It will probably appear pink.

• An average human drinks about 16,000 gallons of water in a lifetime.

• A fingernail or toenail takes about 6 months to grow from base to tip.

• An average human scalp has 100,000 hairs.

• It takes 17 muscles to smile and 43 to frown.

• 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.

• 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.)

• Each square inch of human skin consists of twenty feet of blood vessels.

• Every human spent about half an hour as a single cell.

• Every square inch of the human body has an average of 32 million bacteria on it.

• Fingernails grow faster than toenails.

• 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.

Amazing Lung Facts

• At rest, a person breathes about 14 to 16 times per minute. After exercise it could increase to over 60 times per minute.

• New babies at rest breathe between 40 and 50 times per minute. By age five it decreases to around 25 times per minute.

• The total surface area of the alveoli (tiny air sacs in the lungs) is the size of a tennis court.

• The lungs are the only organ in the body that can float on water.

• The lungs produce a detergent-like substance (surfactant) which reduces the surface tension of the fluid lining, allowing air in.

Amazing Heart Facts

• Your heart is about the same size as your fist.

• An average adult body contains about five quarts of blood.

• All the blood vessels in the body joined end to end would stretch 62,000 miles or two and a half times around the earth.

• The heart circulates the body's blood supply about 1,000 times each day.

• The heart pumps the equivalent of 5,000 to 6,000 quarts of blood each day.

http://digitaldoorway.blogspot.com/2006/06/fun-facts.html

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