The statement is False.
To elaborate, the apex of the heart actually rests on the diaphragm, but not on its superior aspect. Instead, the apex is located at the inferior part of the heart, pointing downwards and slightly to the left, and it sits on the diaphragm, which is a muscular structure that separates the chest cavity from the abdominal cavity.
In a standing position, the diaphragm is located beneath the heart, so the apex is in contact with the diaphragm’s superior aspect. However, when discussing the orientation, it is inaccurate to say the apex of the heart rests on the superior aspect itself, because