Your bones, pound for pound, are 4 times stronger than concrete.
A muscle called the diaphragm controls the human breathing process.
Bone is stronger than some steel.
Bones make up only 14% of our weight.
At birth we have over 300 bones. As we grow up, some of the bones begin to fuse together as a result an adult has only 206 bones.
The muscles of our body constitute 40% of our body weight.
The muscles of the eye move more than 100,000 times a day.
The muscles that control your eyes contract about 100,000 times a day (that's the equivalent of giving your legs a workout by walking 50 miles).
If you remove the minerals from a bone by soaking it overnight in a six percent solution of hydrochloric acid, it will become so soft, you could tie it in a knot.
There are 22 bones in the human skull.
The hardest bone in the human body is the jawbone.
The human skeleton renews once in every three months.
The human body consists of over 600 muscles.
Human bone is as strong as steel but 50 times lighter.
Human fingers stretch and bend about 25 million times in a normal lifetime.
Human speech is produced by the interaction of 72 muscles.
Humans have more facial muscles than any other animal on earth - 22 on each side of the face.
It takes 17 muscles to smile and 43 to frown.
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
Muscle tissue is three times more efficient at burning calories than fat.
One person in 20 has an extra rib, and they are most often men.
Our Muscles often work in pairs so that they can pull in different or opposite directions.
The feet account for one quarter of all the human body's bones.
The femur/thigh bone is the longest bone in our body, it is about a quarter of ones height.
The heart muscles will stop working only when we die.
The human body has 230 movable and semi-movable joints.
The human body has less muscles in it than a caterpillar.
The Hyoid bone, in your throat is the only bone in your body which not attached to other bones.
The leg bone is the fastest growing bone in the human body.
The length of your foot is the same as that of your forearm between your wrist and the inside of your elbow.
The longest muscle in the human body is sartorius, which is present in the hip region and it is commonly called as tailors muscle.
The only joint-less bone in the human body is the hyoid bone, which is present in the throat area.
The shoulder blade is connected to the body by means of 15 different muscles and it is not attached to a single bone.
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
The strongest muscles of the human body are masseters, which are present on either side of the mouth.
The thighbone is so strong that it withstands the axial load of about 1600-1800 kilos.
The tiniest muscle, the stapedius of the middle ear, is just one-fifth of an inch long.
The tips of your fingers have enough strength to support the weight of your whole body.
The tongue is the strongest muscle in the human body.
We exercise at least 36 muscles when we smile.
When you were born, you had 300 bones. Now you have 206, if you are an adult. The rest of the bones have not disappeared - they have merely fused together.
You sit on the biggest muscle in your body, the gluteus maximus a.k.a. the butt.
You use 200 muscles to take one step.
Your foot contains 25% of all the bones within your body.
Your ribs move about 5 million times a year, every time you breathe!
Amazing Baby Facts:
A fetus acquires fingerprints at the age of three months.
A baby is born without kneecaps. They appear between age 2 and 6.
A baby's head is one-quarter of it's total length, but by age 25 will only be one-eighth of its total length.
A New born baby loses about half of its nerve cells before it is born.
A newborn baby has more than 26 billion cells.
A newborn babys brain grows almost 3 times as fast during the first year of life.
At just 12 weeks the human fetus can scowl and squint.
Babies are always born with blue eyes.
Babies are born with 300 bones, but by adulthood the number is reduced to 206.
Babies are born with pink lungs but they darken in color as we breathe in polluted air.
Babies are color blind when they are born, so they only see black and white.
Babies are, pound for pound, stronger than an ox.
Babies crawl an average of 200 Meters a day.
Babies recognize sounds while in mothers womb.
Babies start dreaming even before they're born.
Before their first birthday, average babies will have dribbled 255 pints of saliva
By the time babies are two years old, they will have crawled 93 miles.
In the womb, the baby's body is covered by a thin layer of hair but as soon as the baby is born it disappears.
It takes time for a newborn baby to learn to turn the pictures right side up, as it sees the world upside down in the beginning.
Male baby foreskin is often used as a skin graft for burn victims.
Most babies are born with blue eyes; exposure to UV light brings out their true color.
One in every 1000 babies is born with a tooth.
Newborns will cry out without tears for the first three to six weeks.
On average, the number of connections in the brain increases from 50 trillion to 1 quadrillion in a newborn during his first month of life.
A single human sperm contains the 37.5mb of male DNA required to create a human child. That means an average ejaculation sees the transfer of 1,500 terabytes of information.
Sperm containing the XY chromosomes to become a male can swim faster but not for as long as the female xx chromosomes.
During the first six weeks of life, there is no difference between the male and female embryo.
The ovaries of a female contain about 600,000 immature eggs at birth.
Every human spent about half an hour as a single cell
Human fetuses react to loud rock music by kicking.
Ovaries contain over 500,000 eggs, but only about 400 get the opportunity to create life.
Pregnancy in women lasts on average of about 270 days from the time of conception till birth.
The average life span of a sperm is about 36 hours.
The female body is capable of giving birth to 35 children in one lifetime.
The female egg cell is the largest cell in the human body. It is about 175 000 times heavier than the smallest cell, the male sperm cell.
The formation of your egg, and the half of your DNA that came from your mother, could be considered the very first moment of your existence. It happened before your mother was born. If your mother was 30 when she had you, then on your 18th birthday you were arguably over 48 years old.
The largest cell in the human body is the female egg and the smallest is the male sperm.
The three things pregnant women dream most of during their first trimester are frogs, worms and potted plants.
Facts About Human Organs:
Your stomach manufactures a new lining every three days to avoid digesting itself.
1 in 10,000 people have their internal organs reversed or "mirrored" from their normal positions.
A human lung contains about 700 million alveoli.
The human gut contains about 1kg (2.2 lbs) of bacteria.
The human Liver consists of 100,000 tiny clusters called lobules.
The human liver performs 500 different functions.
The largest internal organ is the small intestine.
Each lung contains 300-350 million respiratory units called alveoli.
When you blush, your stomach lining also reddens.
Why doesn't your stomach digest itself? That's because your stomach cells are created faster than they can be destroyed.
You could remove a large part of your internal organs and survive.
You get a new stomach lining every three to four days.
For every 24 hours, in a healthy adult, more than a gallon of water containing over an ounce of salt is absorbed from the intestine.
Human kidneys have about 1 million nephrons that filters out liquids and wastes.
If the lining of mucus were to disappear from your stomach, your stomach would digest itself.
If your stomach acid got onto your skin it would burn a hole in it.
In a human body, the small intestine is 21 feet and the large intestine is 6 feet long.
Liver cells take several years to replace themselves.
Liver is the only organ of the body, which regenerates itself completely even after being removed completely.
Oesophagus/or food pipe, which is the passage for the food we eat to the stomach, is approximately 25 cm long.
On an average 1.7 liters of saliva produces each day.
On average, the human stomach holds about 2 liters of contents.
Our lungs inhale over two million liters of air every day, without even thinking.
The food will get in to the stomach even if one stands on their head.
The gastric acid in your stomach is so powerful that it is able to eat away an iron table in about 5 minutes.
The gastrointestinal tract is a 30-foot (9 m) tube running from your mouth to your anus.
The human stomach contains about 35 million small digestive glands.
The human tongue has 10,000 taste buds.
The liver is the largest and heaviest internal organ of the body and weighs about 1.6 kilos.
The surface area of a human lung is equal to that of a tennis court.
The surface of human tongue is covered with 100 of tiny structures called papillae.
There are more than 300,000,000 capillaries in your lungs and if they were stretched out tip to tip they would reach approximately the distance between Atlanta and LA.
Your left lung is smaller than your right lung to make room for your heart.
A childs ability to learn can increase or decrease by 25% or more depending on if the child grows up in a stimulating environment.
Children grow faster in the springtime.
Children have better sense of smell than adults.
Children have more sensitive ears than adults.
Children lose an average of 90 hairs per day, which increases to 120 by old age.
Reading aloud to children helps to stimulate brain development.
Body Fat Facts:
Body fat is not particularly hazardous to health until the level of total body fat reaches 35% for men and 40% for women.
An average human body contains enough amount of fat to make seven bars of soap.
Central obesity or apple shape of the body and insulin resistance is the main reason for diabetes increase in Indians
Women burn fat more slowly than men, by a rate of about 50 calories a day.
Banging your head against a wall uses 150 calories an hour.
During your lifetime, you'll eat about 60,000 pounds of food, that's the weight of about 6 elephants!
Every time you lick a stamp, you're consuming 1/10 of a calorie.
Exercise and diet can either reduce or delay the incidence of diabetes by over 50%.
Fidgeting can burn about 350 calories a day.
In the average lifetime, we spend five years eating and we consume around 7,000 times our own weight in food.
It takes 5 - 30 seconds to chew food. Swallowing the food takes about 10 seconds.
Most westerners consume 50 tons of food and 50,000 liters of liquid in their lifetime.
The human body takes 6 hours to digest a high fat meal and it takes 2 hours for a carbohydrate meal.
You burn more calories while sleeping than you do when watching television.
You can go without eating for weeks without succumbing, but eleven days is tops for going without sleep.
Human Hair Facts:
Blonds have more hair.
80 head hairs are likely to fall every day.
A hair grows by 0.3 to 0.5 mm per day, 1 to 1.5 cm per month and 12 to 15 cm per year.
Human hair is made up of a body protein called keratin and it grows out of an opening of the skin called Follicle.
Human hair is virtually indestructible.
In a lifetime, a human being will grow around six feet of nose hair.
A single hair has the ability to support up to 100 grams of weight and the whole head of hair has the ability to support up to 12 tons of weight.
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.
Women's hair is about half the diameter of men's hair.
Straight hair lies flat because it is round and grows out of round follicles.
Redheads have the least dense hair, averaging about 86,000 follicles.
In 2008 scientists discovered a new species of bacteria that lives in hairspray.
One human hair can support 3.5 ounces.
There are as many hairs per square inch on your body as a chimpanzee.
Curly hair comes out of an oval follicle.
On an average a persons head has 100,000 to 150,000 hairs.
On an average it takes about 13 days for a grey hair to grow.
On an average the human scalp has about 100,000 hairs.
On an average, in an adult scalp 35m of hair fiber is produced every day.
Every day the average person loses 60-100 strands of hair.
Facial hair grows faster than any other hair on the body.
Frequent washing of hair does not cause hair loss.
Hair is the fastest growing tissue in the body, the next being bone marrow.
Healthy human hair emits sound.
Male hairs are denser and grow faster than females.
The average human head has 100,000 hair follicles, each of which is capable of producing 20 individual hairs during a person's lifetime. Blonds average 146,000 follicles. People with black hair tend to have about 110,000 follicles, while those with brown hair are right on
The average person has about 100 000 scalp hairs.
The color of our hair is also determined by the melanin, a pigment present in the human body.
The eyelashes shed by a human in their entire life is oabout 30 Metres of length.
The lifespan of a human hair is 3 to 7 years on average.
The maximum length of hair can be 70 to 90 cms.
The pigment of human hair is produced in the shaft of hair beneath the skin.
There is no scientific evidence that shaving or waxing will make your hair come back thicker.
You must lose over 50% of your scalp hairs before it is apparent to anyone.
Human Skin Facts:
Your skin is an organ.
A square inch of skin consists of 1300 nerve cells.
Your skin is the largest organ in your body; if an adult male's skin were to be stretched out, it would cover 20 square feet.
Most of the dust underneath your bed is actually your own dead skin.
About 32 million bacteria call every inch of your skin home.
Human skin cells multiply every second to replace the worn ones.
Human skin contains 45 miles of nerves.
Humans have shed around 40 pounds of skin in their lifetime.
Skin can now be artificially grown. One amazing result of this is that the skin from one hand could be grown into enough to cover six football pitches.
Depending on the area of the human body, the thickness of the skin varies from 1/2 to 6 mm.
In one square inch of skin there are 4 yards of nerve fibers.
In one square inch of skin, there are 3 million cells.
Each person sheds 22 kilograms of skin in his or her lifetime.
The weight of skin in a human adult is 8 to 10 pounds.
Every minute 30,000 to 40,000 dead skin cells fall from our body.
Every square inch of skin on the human body has about 32 million bacteria on it, fortunately, the vast majority of them are harmless.
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.
Melanin, a pigment present in the skin is responsible for the color of the skin in a person.
One square inch of human skin contains 625 sweat glands.
Over the course of your lifetime, you'll shed about 40lbs of skin.
People with dark color skin wrinkle later than people having light color skins.
Human skin sheds and re-grows after every 27 days.
Amazing Facts About Blood and the Heart:
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
Capillaries are so small that it takes ten of them to equal the thickness of a human hair.
During your lifetime, you will produce enough saliva to fill two swimming pools.
The ashes of a cremated person average about 9 pounds.
The atoms that make up your body are mostly empty space, despite there being so many of them, without that space you would compress into a tiny volume.
Eighty percent of people infected with the Ebola virus, will die from this disease.
Every person has a unique tongue print.
Feet have 500,000 sweat glands and can produce more than a pint of sweat a day.
Food is either cooled or warmed to a suitable temperature in the mouth.
From the age of thirty, humans gradually begin to shrink in size.
Glabella is the space between your eyebrows.
Goose bumps on our skin are caused by pull of muscles attached to hair follicles and make the hair upright.
Guys are more likely than girls (by a ratio of 3-to-2) to have bad acne.
Hugging releases oxytocin, which helps to heal physical wounds, and makes someone trust you more.
Humans and dolphins are the only species that have sex for pleasure.
Humans are bioluminescent and glow in the dark. The light that we emit is 1,000 times weaker than our human eyes are able to pick up.
Humans are the best long distance runners on the planet. Better than any four-legged animal.
Humans are the only mammal that cannot swallow and breathe at the same time.
Humans are the only primates that don't have pigment in the palms of their hands.
Humans have 46 chromosomes, peas have 14 and crayfish have 200.
Humans have the ability to differentiate about 10,000 odors.
Humans share 50% of their DNA with bananas.
Identical twins have identical DNA but not identical fingerprints.
If Barbie were life-size, her measurements would be 39-23-33.
If saliva cannot dissolve something, you cannot taste it.
If uncoiled, the DNA in all the cells in your body would stretch 10 billion miles, from here to Pluto and back.
If you fart consistently for 6 years and 9 months, enough gas is produced to create the energy of an atomic bomb.
If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.
In order to taste something, our saliva needs to dissolve it (try drying off your tongue and tasting something).
In space, astronauts cannot cry, because there is no gravity, so the tears can't flow!
In your very own lifetime, you'll produce enough spit to fill two swimming pools.
India is the diabetes capital of the world. It is estimated that currently there are 40 million people with diabetes in India and by 2025 this number will swell to 70 million. This would mean every fifth diabetic in the world would be an Indian.
Half a liter of water per day is lost through breathing.
Inside your belly button are thousands of bacteria that form an ecosystem the size of an entire rainforest.
It is impossible to tickle ourselves.
Loneliness is physically painful.
Men produce about 10 million new sperm daily (approximately enough to repopulate the entire planet in 6 months).
More germs are transferred shaking hands than kissing.
Most people have lost fifty per cent of their taste buds by the time they reach the age of sixty.
On an average, a persons left hand does 56% of typing.
On an average, the human growth hormone, which is responsible for a person growth is produced at the rate of 500 microgram per day at the age of twenty, 200 microgram per day at the age of forty and 25 microgram per day at the age of eighty.