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Explain the mechanism of blood clotting. …

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Explain the mechanism of blood clotting. Class 11
  • 1 answers

Yogita Ingle 3 years, 9 months ago

  • Blood coagulation or clotting is the mechanism to prevent excessive loss of blood from the body.
  • Reddish brown scum formed at the site of a cut is due to clot formed mainly of a network of threads called fibrins in which dead and damaged formed elements of blood are trapped.
  • Fibrins are formed by the conversion of inactive fibrinogens in the plasma by the enzyme thrombin.
  • Thrombins are formed from another inactive substance present in the plasma called prothrombin by an enzyme complex known as thrombokinase.
  • Calcium ions play a very important role in clotting.
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