It causes clotting of blood A)Thrombin B)Haemoglobin C)Pectin D)All of the above
Option A) There are two major facets of the clotting mechanism – the platelets, and the thrombin system. The thrombin system consists of several blood proteins that, when bleeding occurs, become activated. The activated clotting proteins engage in a cascade of chemical reactions that finally produce a substance called fibrin. Red blood cells become caught up in the web, and a “red clot” forms.
