what is blood clotting
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when we get injured there are some specialised particles in our blood cells which are platelets these platelets get concentrated in a large amount on the place of injury they have a large amount of Vitamin K the injured tissue is recovered by the blood platelets these platelets released thromboplastin which turns into fibrin and when the fibrin + red blood cells mix with each other they form blood clot which appears dark red in colour
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They are beneficial when they form in response to an injury or a cut, plugging the injured blood vessel, which stops bleeding.
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