<prompt> All of these form right heart border EXCEPT?SVCIVCRight atriumRight ventricle  <response>: Ans. D Right ventricleRef: BDC, 6th ed. vol. I pg. 253; Keith L. Moore 5th ed. pg 147BORDERS OF HEART Right border slightly convex: Formed by the right atrium, SVC and the IVC. Left border nearly horizontal: Formed by the left ventricle and slightly by the left auricle. Inferior border oblique, nearly vertical, formed mainly by the right ventricle and slightly by the left ventricle. Superior border: Formed by the right and left atria and auricles in an anterior view. 