What parts of blood help for clotting of blood?

Clotting Factors. Plasma protein factor i, fibrinogen factor ii, prothrombin factor iii, thrombokinase, thromboplastin - calcium ion, factor IV - accelerator factor, factor v, proaccelerin, prothrombin accelerator cothromboplastin, factor vii, proconvertin, stable factor antihaemophilic factor, antihaemophilic globulin, antihemophilic factor, antihemophilic globulin, factor viii, hemofil christmas factor, .