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Human Body Facts

In a month, a fingernail grows an eighth of an inch.

People whose mouth has a narrow roof are more likely to snore. This is because they have less oxygen going through their nose.

While sleeping, one man in eight snores, and one in ten grinds his teeth.

It takes food seven seconds to go from the mouth to the stomach via the esophagus.

In one day, a human sheds 10 billion skin flakes. This amounts to approximately two kilograms in a year.

Every square inch of the human body has about 19,000,000 skin cells.

Approximately 25% of all scald burns to children are from hot tap water and is associated with more deaths than with any other liquid.

Forty-one percent of women apply body and hand moisturizer at least three times a day.

Every hour one billion cells in the body must be replaced.

The world record for the number of body piercing on one individual is 702, which is held by Canadian Brent Moffat.

The small intestine in the human body is about 2 inches around, and 22 feet long.

The human body makes anywhere from 1 to 3 pints of saliva every 24 hours.

The human body has approximately 37,000 miles of capillaries.

The aorta, which is largest artery located in the body, is about the diameter of a garden hose.

The adult human body requires about 88 pounds of oxygen daily.

It is very common for babies in New Zealand to sleep on sheepskins. This is to help them gain weight faster, and retain their body heat.

An average women has 17 square feet of skin. When a women is in her ninth month of pregnancy she has 18.5 square feet of skin.

The width of your armspan stretched out is the length of your whole body.

41% of women apply body or hand moisturizer a minimum three times a day.

A human's small intestine is 6 meters long.

There are as many hairs per square inch on your body as a chimpanzee. You don't see all of them because most are too fine and light to be noticed.

Every hour one billion cells in the body must be replaced.

Dead cells in the body ultimately go to the kidneys for excretion.

By walking an extra 20 minutes every day, an average person will burn off seven pounds of body fat in an year.

The human body is 75% water.

On average, a man spends about five months of his life shaving.

On average, a hair strand's life span is five and a half years.

On average redheads have 90,000 hairs. People with black hair have about 110,000 hairs.

Next to bone marrow, hair is the fastest growing tissue in the human body.

In a lifetime, an average man will shave 20,000 times.

Humans have about the same number of hair follicles as a chimpanzee has.

Hair will fall out faster on a person that is on a crash diet.

The average human head weighs about eight pounds.

The reason why some people get a cowlick is because the growth of their hair is in a spiral pattern, which causes the hair to either stand straight up, or goes to a certain angle.

The reason why hair turns gray as we age is because the pigment cells in the hair follicle start to die, which is responsible for producing "melanin" which gives the hair colour.

The big toe is the foot reflexology pressure point for the head.

The loss of eyelashes is referred to as madarosis.

The longest human beard on record is 17.5 feet, held by Hans N. Langseth who was born in Norway in 1846.

The fastest growing tissue in the human body is hair.

The average human scalp has 100,000 hairs.

Hair and fingernails are made from the same substance, keratin.

Hair is made from the same substance as fingernails.

Eyebrow hair lasts between 3-5 months before it sheds.

The first hair dryer was a vacuum cleaner that was used for drying hair.

A Russian man who wore a beard during the time of Peter the Great had to pay a special tax.

Everyday approximately 35 meters of hair fiber is produced on the scalp of an adult.

Brylcreem, which was created in 1929, was the first man's hair product.

Ancient Egyptians used to think having facial hair was an indication of personal neglect.

A survey done by Clairol 10 years ago came up with 46% of men stating that it was okay to color their hair. Now 66% of men admit to coloring their hair.

A lifespan of an eyelash is approximately 150 days.

Women are twice as likely to be diagnosed with depression than men in the United States.

The human brain has about 100,000,000,000 (100 billion) neurons.

From all the oxygen that a human breathes, twenty percent goes to the brain.

People who ride on roller coasters have a higher chance of having a blood clot in the brain.

Once a human reaches the age of 35, he/she will start losing approximately 7,000 brain cells a day. The cells will never be replaced.

It is not possible to tickle yourself. The cerebellum, a part of the brain, warns the rest of the brain that you are about to tickle yourself. Since your brain knows this, it ignores the resulting sensation.

A women from Berlin Germany has had 3,110 gallstones taken out of her gall bladder.

In America, the most common mental illness is Anxiety Disorders.

Your brain is 80% water.

Your brain is move active and thinks more at night than during the day.

Close to fifty percent of the bacteria in the mouth lives on the surface of our tongue.

There are approximately 9,000 taste buds on the tongue.

Your tongue has 3,000 taste buds.

85% of the population can curl their tongue into a tube.

The smallest bone in the human body is the stapes bone which is located in the ear.

There are 54 bones in your hands including the wrists.

The only bone fully grown at birth is located in the ear.

The human face is made up of 14 bones.

The chances of getting a cavity is higher if candy is eaten slowly throughout the day compared to eating it all at once and then brushing your teeth.

If an identical twin grows up without having a certain tooth, the other twin will most likely also grow up with that tooth missing.

Humans are born with 300 bones in their body, however when a person reaches adulthood they only have 206 bones. This occurs because many of them join together to make a single bone.

Gardening is said to be one of the best exercises for maintaining healthy bones.

Enamel is hardest substance in the human body.

Although the outsides of a bone are hard, they are generally light and soft inside. They are about 75% water.

Adult human bones account for 14% of the body's total weight.

In 2000 babies are born with a tooth that is already visible.

Fingernails grow nearly 4 times faster than toenails!

Your thigh bone is stronger than concrete.

The strongest bone in your body is the femur (thighbone), and it's hollow!

Two million red blood cells die every second.

There are approximately 100,000 miles of blood vessels in the human body.

Seven percent of a humans body weight is made up of blood.

In the early nineteenth century some advertisements claimed that riding the carousel was good for the circulation of blood.

Each day 400 gallons of recycled blood are pumped through the kidneys.

By donating just one pint of blood, four lives can be saved.

Blood is such a good stain that Native Americans used it for paint.

The kidneys filter over 400 gallons of blood each day.

The average life span of a single red blood cell is 120 days.

Blood accounts for about 8% of a human's body weight.

A woman has approximately 4.5 liters of blood in her body, while men have 5.6 liters.

Your blood takes a very long trip through your body. If you could stretch out all of a human's blood vessels, they would be about 60,000 miles long. That's enough to go around the world twice.

Half your body’s red blood cells are replaced every seven days.

If all the blood vessels in your body were laid end to end, they would reach about 60,000 miles.

Women hearts beat faster than men.

Three years after a person quits smoking, there chance of having a heart attack is the same as someone who has never smoked before.

The human heart weighs less than a pound.

The human heart can create enough pressure that it could squirt blood at a distance of thirty feet.

The first open heart surgery was performed by Dr. Daniel Hall Williams in 1893.

Scientists have discovered that the longer the ring finger is in boys the less chance they have of having a heart attack.

The right lung of a human is larger than the left one. This is because of the space and placement of the heart.

The human heart beast roughly 35 million times a year.

Olive oil can help in lowering cholesterol levels and decreasing the risk of heart complications.

In a lifetime, the heart pumps about one million barrels of blood.

In 1967, the first successful heart transplant was performed in Cape Town, South Africa.

People that suffer from gum disease are twice as likely to have a stroke or heart attack.

Most heart attacks occur between the hours of 8 and 9 AM.

The human heart beast roughly 35 million times a year.

At one time it was thought that the heart controlled a person's emotions.

Every day 2,700 people die of heart disease.

During a typical human life span, the human heart will beat approximately 2.5 billion times.

In one day your heart beats 100,000 times.

For humans the normal pulse is 70 heartbeats per minute.

There are approximately 100 million acts of sexual intercourse each day.

The sperm count of an average American male compared to thirty years ago is down thirty percent.

An adult esophagus can range from 10 to 14 inches in length and is one inch in diameter.

Men sweat more than women. This is because women can better regulate the amount of water they lose.

The average amount of time spent kissing for a person in a lifetime is 20,160 minutes.

The average adult has approximately six pounds of skin.

Infants spend more time dreaming than adults ...

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