About the right coronary artery, which of the following descriptions are correct?
A.It arises from the right aortic sinus. B.It emerges between the root of the pulmonary trunk and the right auricle. C.Its main branches are posterior interventricular branch and the circumflex branch. D.The posterior interventricular branch is accompanied by the middle cardiac vein. E.It distributes to the anterior part of the interventricular septum (室间隔).正确答案ABD
