Platelets stop the blood at injury site by clotting it. How?
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15
Answer:
Platelets are tiny blood cells that help your body form clots to stop bleeding. If one of your blood vessels gets damaged, it sends out signals to the platelets. The platelets then rush to the site of damage. they form a plug (clot) to fix the damage.
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2
Answer:
platelets have blood clotting enzymes fibrinogen .
injured site release thrombin which convert fibrinogen into fibrin.
fibrin forms a plug which prevents blood flow from injured site.
Explanation:
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