Featured Facts

Scientific Facts 2

The male mosquitoes are vegetarians and live on eating the lives of the plants and the trees.Tongu

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Solid Waste and Landfills

About one-third of an average dump is made up of packaging material!

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Amazing Facts

Facts About Circulatory System

  1. The left side of the heart contains oxygenated blood whereas
    the right side has de-oxygenated blood.

  2. One drop of blood has about 5 million red blood cells and 12
    thousand white blood cells.

  3. The heartbeats about 30 million times in 365 days.

  4. 10 million blood cells die in the human body every second, the
    same quantity is produced at the same time.

  5. Blood circulates the entire body in 20 seconds.

  6. An average heart pumps about 450 gallons of blood everyday.

  7. One of the surprising circulatory system facts is that the
    heartbeat is the sound of the valves opening and closing.

  8. An average adult's body has about 5 liters of blood in it and
    a baby's body has about 1 liter of blood in it.

  9. A human heart is a muscle which is the size of a clenched fist.

  10. Blood cells die in every 4 months.

  11. The plasma in the blood is made in the liver.

  12. One of the amazing facts of circulatory system is that the
    heart continues to beat even when it is taken out of the body!

Related Tags: Heart  Blood  Cells  
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