While only 2% in weight, the human brain requires 15% of the body's heart work, 20% of oxygen and 25% of all glucose

For every 1000 red blood cells in our body, there is only about one white cell.

The human heart has enough pressure to squirt blood up to 30 feet away.

The length between your elbow and hand (forearm) equals the length of your foot.

If you fully stretch your arms out, the fingertip to fingertip length is almost exactly your body height.

The lightest organ in the human body is the lung.

The adult heart pumps about 7,500 litres of blood every day.

You shed and regrow your skin every 28 days, that's about 1000 times in a lifetime.

The human eye blinks an average of 4,200,000 times each year. Submitted by: Marita

The liver is the only organ able to regenerate itself completely.

The average person has over 1,460 dreams a year.

Human thigh bones are stronger than concrete.

If a person or an animal is born colorblind, they instantly have excellent night vision.

The human brain is 80% water.

Every four days the worlds population increases by one million people.

If all major forms of cardiovascular disease were eliminated, human life expectance would increase by 9.78 years.

The right lung takes in more air than the left.

Women blink nearly twice as much as men.

Babies are born far sighted - their eyes start to focus properly between 3 to 6 months of age.

Men have more blood in their circulatory system than women and more red blood cells.

Your blood vessels, if laid end to end, would encircle the globe twice over.

A single bacteria cell, given all the food it needs, could divide into a ball of cells the size of the Earth in 24 hours.

The DNA in a single human cell is 37m (121ft) long when unravelled.

DNA unravels at 7000 RPM (revolutions per minute).

20/20 vision means the eye can see normally at 20 feet. 20/15 is better; the eye can see at 20 feet what another eye sees at 15 feet.

Healthy nails grow about 2 cm each year. Fingernails grow four times as fast as toenails.

The average human produces about a litre of saliva a day -- about 37,854 litres in a lifetime

Seventy percent of the dust in your home consists of shed human skin

Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.

On an average, most people blink about 15,000 times in a 16-hour day (awake.)

The human head is a quarter of our total length at birth, but only an eighth of our total length by the time we reach adulthood.

The human body has enough fat to produce 7 bars of soap.

There are more living organisms on the skin of a single human being than there are human beings on the surface of the earth.

If your mouth was completely dry, you would not be able to distinguish the taste of anything.

The brain uses more than 25% of the oxygen used by the human body.

15 million blood cells are produced and destroyed in the human body every second.

In your lifetime, you'll shed over 18kg (40lb) of skin.

As an adult, you have more than 6 square meters (20 sq ft) of skin on your body — about the same are as a blanket for a queen-sized bed.

Everyone's tongue print is different.

The human brain is 80% water.

Only humans sleep on their backs.

Our eyeballs remain almost the same size since birth, but our nose and ears never stop growing.

There are more bacteria and microbes in our body than actual cells that make up the body.

The longest living cells in the body are brain cells which can live an entire lifetime.

It takes approximately 12 hours for food to entirely digest.

The smallest bone in the human body is the stapes or stirrup bone located in the middle ear. It is approximately 0.28cm (0.11in) long

The human body has less muscles in it than a caterpillar.

When you blush, your stomach lining also reddens.

The human body contains about 9,600km (6,000mi) of blood vessels.

The surface area of a human lung is equal to that of a tennis court.

From the age of thirty, humans gradually begin to shrink in size.

When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat

Human Facts!

 

*. The smallest bone found in the human body is located in the middle ear. The stapes (or stirrup) bone is only 2.8 millimetres long.

*. Your nose and ears continue growing throughout your entirelife..

*. Infants blink only once or twice a minute while adults average around 10.

*.

As well as having unique fingerprints, humans also have unique tongue prints.

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The left side of your body is controlled by the right side of your brain while the right side of your body is controlled by theleft side of your brain.

*. Antibiotics are only effective against bacteria, they won't helpin fighting off a virus.

*. It takes the body around 12 hours to completely digest eaten food .

Human body is made of 13,000,000,000,000 neurons!