Question

Briefly explain the process of blood clotting.

Answer 1

• Deep wounds cause loss of blood. To prevent that, tissues and platelets at the site of wound degenerate to form an enzyme known as thromboplastin.
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• Thromboplastin converts prothrombin in the plasma to thrombin. Vitamin K and Calcium ions are essential for the synthesis of prothrombin.
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• Thrombin further converts the fibrinogen in the plasma to fibrin.
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• Then, a blood clot is formed by the entangling of platelets and red blood cells in the fibrin network.
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