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    Biology GCSE

    platelets and blood clotting

    What platelets and blood clotting means in Biology GCSE, as defined for OCR.

    Definition of platelets and blood clotting

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    Reference: OCR

    Small, non-nucleated cell fragments that initiate the clotting cascade on blood vessel damage, producing insoluble fibrin protein meshes that trap red blood cells to form scabs.
    OCR · Monitoring and maintaining health

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