<prompt> procoagulant not normally circulating in the plasma is :ProthrombinFibrinogenAntithemophilic factorNone of the above  <response>: D i.e. None Plasma - is fluid poion of blood, containing an immense number of ions, inorganic molecules organic molecules that are in transit to various pa of the body . Serum - If whole blood is allowed to clot and the clot is removed , the remaining fluid is serum. - It has same composition as plasma except its fibrinogen, factor 2,5, 8 have been removed - It has high serotonin content dt breakdown of platelets during clotting. 