20 July 2010

Amazing facts about your body which you might not know yet! Part Two

Human body external featuresImage via Wikipedia

Humans are the only animals capable of drawing a straight line.

On average, an individual grows over 450 miles of hair in a lifetime.

When a person smiles, 17 muscles are engaged.

Men shorter than 4.2 feet and women shorter than 3.9 feet are considered dwarfs.

White blood cells live in the human body for 2 to 4 days, while red blood cells live up to 3 to 4 months.

Human heart is equal in size to a human fist. Average weight of an adult’s heart is approximately 0.5lbs.

Human brain generates more electric impulses in a day than all telephones of the world combined.

Total weight of bacteria living in the human body is 4.4lbs.

Human brain produces 100,000 chemical reactions per second.

Babies are born without kneecaps, which form only at the age of 2 to 6.

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

The human small intestines are 8.5 feet long during life. After death, when the muscles of the bowel walls relax, it may reach over 19 feet.

An average human has approximately 2 million of perspiratory glands. An average adult person loses 540 calories with a liter of sweat. Men perspire 40% more than women.

The right lung holds more air than the left one.

In a lifetime, the female body produces 7 million egg cells but uses less than 600 of these egg cells.

The human eye is capable of differentiating 10,000,000 hues.

There are approximately 40,000 bacteria in the human mouth.

It is impossible to sneeze with your eyes open.

Women blink twice as often as men.

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1 comment:

  1. That is some truly interesting information. The one "Total weight of bacteria living in the human body is 4.4lbs" is a bit disturbing.

    ReplyDelete

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