<prompt> Anterior interventricular aery is a branch ofRight coronary aeryLeft coronary aeryCircumflex aeryLeft anterior descending aery  <response>: LEFT CORONARY AERY It is larger than the right coronary aery.It arises from the left posterior aoic sinus. Branches A.Large branches 1.Anterior interventricular 2.Branches to the diaphragmatic surface of the left ventricle,including a large diagonal branch. B.Small branches 1.Left atrial 2.Pulmonary 3.Terminal REF.B D Chaurasias human anatomy vol.1.fifth edition BD CHAURASIAS HUMAN ANATOMY.VOL.1.FIFTH EDITION.PAGE NO 252 