explain the mechanism of clotting of bood .... plz give me answer quickly frnds...
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blood clotting is done by the platelets present in the blood.
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Blood platelets are produced in the bone marrow by large cells called megakaryocytes.these cells break apart to form plateletewhich then circulate in blood .platelet start clotting blood when exposed to air such as in a cut or in a wound .with the help of vitamin k and calcium forms a mish of tiny threads that collects red blood cells which plug the open blood vessels as it dries .
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