<prompt> Crista terminalis is present in -Left atriumLeft ventricleRight atriumRight ventricle  <response>: Ans. is c i.e., Right atrium o Crista terminalis divides the right atrium into anterior and posterior part is a ridge of smooth muscle fibers extending from the SVC to valve of IVC.o It is developed from embryonic right venous valve and is represented on the surface by sulcus terminalis. 