<prompt> Left anterior descending aery is a branch ofAscending aoaRight coronary aeryLeft coronary aeryCircumflex aery  <response>: Ascending aoa Right coronary aery Left coronary aery SA Nodal aery AV Nodal Aery Posterior Interventricular Aery PIVA Anterior Interventricular Aery AIVA OR Left anterior descending aery Circumflex Aery AIVA supplies the anterior 23rd of interventricular septum PIVA supplies the posterior 13rd of interventricular septum 