Which of the following statements is not correct about the mammalian heart?

A. Oxygenated blood enters the left auricle from the pulmonary vein
B. the walls of the ventricle are thicker than those of the auricle
C. blood passes from of blood into the right ventricle to the left auricle through the aorta
D. the tricuspid valve prevents the back flow of blood into the right auricle

Correct Answer: Option C

C. blood passes from of blood into the right ventricle to the left auricle through the aorta