<prompt> Anterosuperior sternal pa of hea is made up ofRight atrium and auricleLeft atriumLeft ventricleRight ventricle  <response>: Surfaces Anterior or sternocostal - Right ventricle. Posterior or base - Left atrium Inferior or diaphragmatic - Left and right ventricles. Right pulmonary - Right atrium. Left pulmonary - Left ventricle. Borders Right border - Right atrium Inferior border - Left ventricle and right ventricle Left border - Left ventricle and some of the left atrium Superior border - Right and left atrium and the great vessels Apex : Left ventricle 