Amazing facts about Human body!

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1.Our eyes can distinguish up to ten million colour surfaces and take in more information than the largest telescope known to man.

2.  Our lungs inhale over two million litres of air every day, without even thinking. Their surface area is large enough to cover one side of a tennis court.

3. We give birth to over 200 billion red cells every day.

4.  When we touch something, we send a message to our brain at 124 mph

5.  We exercise at least 36 muscles when we smile.

6.  We are about 70 percent water.

7.  We make around 1 to 1.6 litres of saliva a day.

8.  Our nose is our personal air-conditioning system: it warms cold air, cools hot air and filters impurities.

9. In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.

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

11.  It is believed that the main purpose of eyebrows is to keep sweat out of the eyes.

12.  A person can expect to breathe in about 45 pounds of dust over his/her lifetime.

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

14.  Your body contains enough iron to make a spike strong enough to hold your weight.

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

16.  Most people have lost fifty per cent of their taste buds by the time they reach the age of sixty.

17.  The amount of carbon in the human body is enough to fill about 9,000 ‘lead’ pencils.

18.  One square inch of human skin contains 625 sweat glands.

19.  When you blush, your stomach lining also reddens.

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

21.  If you could save all the times your eyes blink in one life time and use them all at once you would see blackness for 1.2 years!

22.  The life span of a taste bud is ten days.

23.  It’s impossible to sneeze with your eyes open.

24. The heart pumps about 1 million barrels of blood during an average lifetime – that’s enough to fill 2 oil super tankers!

25.  Babies start dreaming even before they’re born.

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