Which of the following statements is not correct about the mammalian heart?
- Oxygenated blood enters the left auricle from the pilmonary vein
- the walls of the ventricle are thicker than those of the auricle
-
blood passes from of blood into the right ventricle to the left auricle through the aorta
- the tricuspid valve prevents the back flow of blood into the right auricle