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Sunday, January 9, 2011

Interesting and amazing Medical Facts about our Body

Here are some of the amazing medical facts of our body.
  • The red blood cell lives for 120 days on average
  • There are 2.5 trillion red blood cells in our body at any time. About two and half millions of new ones are to be produced every second by bone marrow.
  • Our heart beats about 100000 times per day
  • The human heart continues to beat even if it is taken out of our body or cut into pieces.
  • 25 million cells are produced each second in our body.
  • Nerve impulses travel at a speed of 400 Km/Hr.
  • A red blood cell can travel completely through your body in just 20 seconds.
  • We inhale about two million liters of air every day through our lungs.  Our lungs are large enough to cover a tennis court.
  • 100 billion red blood cells are generated every day in our body.
  • Our body contains 70% water.
  • In one square inch of our hand, we have nine feet of blood vessels, 600 pain sensors, 9000 nerve ending, 36 heat sensors and 75 pressure sensors.
  • Humans gradually start sinking in size from the age of 30 years.
  • The life span of  a taste bud is only 10 days.
  • It is impossible to sneeze with eyes open.
  • The largest artery in our body is the Aorta.  It is almost the diameter of a garden hose.
  • The capillaries, on the other hand are so small that it takes ten capillaries to equal the thickness of human hair. 
  • The heart pumps about 1 million barrels of blood through out our life time. 
  • Babies start dreaming even before they are born.
  • The human body can function without a brain.
  • A fetus acquires the fingerprints at the age of three months.
  • The average human head weighs about 10 pounds and the average human brain weights 3 pounds.
  • When you sneeze, all your bodily functions stop, including the heart.
  • Human teeth are almost as hard as rocks.
  • Every month you grow a brand new outer layer of skin!
  • The length of your foot is same as your forearm between your wrist and the elbow.
  • Our brain has about 100 billion nerve cells.
  • The length of human blood vessel so large that it circles the globe 2 and 1/2 times.
  • 80 to 100 hairs fall from our head every day.
  • As we grow older, the brain loses one gram per year.
  • The heart muscles stop functioning only when we die.
  • The total surface area of our brain is 25000 square cms.
  • There are 12,00,000 optical fibers in the human eye.
  • A drop of blood contains 280 million cells.
  • Every one is color blind at birth.
  • Liver is the only organ in our body, which regenerates itself completely even after it is removed completely.
  • An average scalp has 100000 hair on it.
  • The maximum length of hair can be from 70 to 90 cms.
  • The life span of hair is 2 to 7 years.
  • The human skeleton renews every 3 months.
  • The food gets into the stomach even we stand on our head.

    Saturday, January 8, 2011

    Some Funny and Interesting Facts

    Here is a list of some of the funny and interesting facts.
    • If you chew the chewing gum while cutting onions, the tears will stop.
    • A mosquito has 47 teeth.
    • Male mosquitoes are vegetarians.  Only female mosquitoes bite us.
    • Do you  know that it snowed in the Sahara Desert in February,1979.
    • Canadians are allowed to send letters with personalized postage stamps showing their own photos on the stamps.
    • The grapes will explode if you put them in the microwave oven.
    • Ice cream is a Chinese food.
    • There are about 1,00,000 bacteria is one liter of drinking water.
    • A portion of the water that you drink has already been drunk by some one else, may be several times over
    • Those stars and colors you see when you rub your eyes are called phosphenes.
    • Onions help reduce cholesteol if you eat them after a fatty meal.
    • The human body weighs about 40 times more than its brain.