25. During fetal life, the following facts regarding the circulatory system are true except:
Poll
- a)blood passing throughforamen ovale is more oxygenated than through right atrioventricular orifice
- b) The direction of blood flow through the ductus arteriosus is from right to left
- c) The ductus venosus permits blood to bypass the liver
- d) The blood in the abdominal aorta is relatively more oxygenated than internal carotid arteries
- e) The valve of the inferior vena cava deflects blood toward the foramen ovale