The Aortic Valve of the Mammalian Heart ________

The aortic valve of the mammalian heart ________.

A) is the route by which blood flows from the atria to the ventricles
B) is found on the right side of the heart
C) is the attachment site where the pulmonary veins empty into the heart
D) prevents backflow of blood in the aorta
E) is located where the anterior and posterior venae cavae empty into the heart