medchem-heparin and aspirin

Question 1

exogenous inhibitor of clotting

Answer 1

heparin
warfarin
hirudin-from leech

Question 2

endogenous inhibitor of clotting-within body

Answer 2

antithrombin-neutralize factor 10a and thrombin

protein c-thrombin activate protein c to proteolitically inactivate proaccelericin and antihemophilic factor

Thrombomodulin-bind to thrombin and is converted to aform that decrease ability to catalyse clot formation