Forma Blood clotting involves a complex series of events. Test your knowledge of these events by placing the following reactions in the proper order. A. Sticky fibrin threads form a web at the site of the injury. _B. Both the intrinsic and extrinsic pathways result in the production of the enzyme prothrombin activator. _C. Thrombin transforms the soluble plasma protein fibrinogen into insoluble fibrin. D. Red blood cells and platelets become ensnared in the fibrin web to create a clot of fibrin, blood cells, and platelets. E. Prothrombin is converted to the enzyme thrombin. F. Prothrombin activator acts on the globulin prothrombin (factor II).

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