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Blood coagulation

  1. Jan 23, 2009 #1


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    According to theory, blood may even clot without coming into contact with air,then how do the store blood in blood banks or in hospitals?
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  3. Jan 23, 2009 #2


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    The donation bags have anti-coagulent coatings.
    The stored blood is often separated so the platelets (the main clotting factor) is extracted for use separately than the red blood.
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