Interesting Facts about Human

Human bone is as strong as granite in supporting weight. A block of bone the
size of a matchbox can support 9 tonnes -Â that is four times as much as
concrete can support.

The Strong Contraction of Your Heart Creates Enough Pressure To Squirt Blood As
Far As 30 Feet.

You Can Still Have An Erection After Death.

Heart Attacks Are More Likely To Happen On Monday.

Three Hundred Million Cells Die In Your Body Every Minute.

80% of the brain is water.

The human brain cell can hold 5 times as much information as the Encyclopedia
Britannica.

Nerve impulses to and from the brain travel as fast as 170 miles per hour

The brain operates on the same amount of power as 10-watt light bulb.

Women’s hair is about half the diameter of men’s hair.

Blondes have more hair.

The largest internal organ is the small intestine.

The acid in your stomach is strong enough to dissolve razorblades.

Humans spend a third of their lives sleeping.

A pack-a-day smoker will loose approx. 2 teeth every 10 years.

People do not get sick from cold weather; it's from being indoors a lot more.

When you sneeze, all bodily functions stop--even you heart!

A human's mucus membrane, used to smell, is the size of a postage stamp.

Your skin is the heaviest organ.

Those stars and colours you see when you close and rub your eyes are called
phosphenes.

The human brain stops growing at the ages of 18.

Sneezes can travel over 100 mph.

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

Only 7% of the population are lefties.

Our eyes never grow, our nose and ears never stop growing.

Babies are born without knee caps. They don't appear until they are 2-6 years
old.

Only one person in 2 billion will live to be 116 or older.

A human has 60,000 miles of blood vessels in their body.

The average person will drink 8,000 gallons of water during their lifetime.

There are 450 hairs in an average eyebrow.

Smart people have more zinc in their hair.

The lining of your digestive system is shed every 3 days.

The sound of knuckles cracking is generated by imploding synobial fluid.

The human tooth has about 55 miles of canals in it.

Your skin weighs twice as much as your brain.

The average Human bladder can hold 13 ounces of liquid.

If you went out into space, you would explode before you suffocated because
there's no air pressure.

The storage capacity of the human brain exceeds 4 terabytes.

You loose enough dead skin cells in your lifetime to fill eight five pound flour
bags.

Your thumb is the same length as your nose.

Your foot is the same length as the distance between your wrist and elbow.

The average person falls asleep in seven minutes.

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Facts about blood donation

* Person above 18 years of age and over 50 Kgs. in weight can donate blood once in three months.


* A normal adult has five to six liters of blood in his/her body of which only 300 ml is used during blood donation.


* This blood is replaced by your body within 24 to 48 hours!


* No special diet, rest or medicine is required after blood donation.


* The donor should not have taken any medicine in the last 48 hours.


* The donor should not have contacted jaundice in the previous three years.


* Every donor is given a medical checkup prior to donation to see if he/she is medically fit and doesn't suffer from anemia, high blood pressure etc.,


* The donor cannot contract AIDS or any other disease by donating blood.

Amazing Facts About The Human Body

Amazing Facts About The Human Body

Facts 1 - 5



1. The stomach's digestive acids are strong enough to dissolve zinc. Fortunately for us, the cells in the stomach lining renew so quickly that the acids don't have time to dissolve it.

2. The lungs contain over 300,000 million capillaries (tiny blood vessels). If they were laid end to end, they would stretch 2400km (1500 miles).

3. A man's testicles manufacture 10 million new sperm cells each day - enough that he could repopulate the entire planet in only 6 months!

4. Human bone is as strong as granite in supporting weight. A block of bone the size of a matchbox can support 9 tonnes - that is four times as much as concrete can support.

5. Each finger and toenail takes six months to grow from base to tip.



Facts 6 - 10



6. The largest organ in the body is the skin. In an adult man it covers about 1.9m2 (20sq ft). The skin constantly flakes away - in a lifetime each person sheds around 18kg (40 lb) of skin.

7. When you sleep, you grow by about 8mm (0.3in). The next day you shrink back to your former height. The reason is that your cartilage discs are squeezed like sponges by the force of gravity when you stand or sit.



8. The average person in the west eats 50 tonnes of food and drinks 50,000 litres (11,000 gallons) of liquid during his life.

9. Each kidney contains 1 million individual filters. They filter an average of around 1.3 litres (2.2 pints) of blood per minute and expel up to 1.4 litres (2.5 pints) a day of urine.

10. The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.



Facts 11 - 15



11. In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.

12. A single human blood cell takes only 60 seconds to make a complete circuit of the body.

13. A foreskin, the size of a postage stamp, from circumcised babies take only 21 days to grow skin that can cover three (3) basketball courts. Amazing isn't it. Thanks to science. The laboratory-grown skin is used in treating burn patients.

14. The eyes receive approximately 90 percent of all our information, making us basically visual creatures.

15. The female ovaries contain nearly half-a-million egg cells, yet only 400 or so will ever get the opportunity to create a new life.
Source:listverse.com/