Which of the following statements are true of fetal circulation? (Read carefully and select all of the correct statements.)

A)The foramen ovale permits fetal blood to flow from the right ventricle to the left ventricle.
B)The ductus arteriosus permits fetal blood to flow from the pulmonary artery to the aorta.
C)Gases, nutrients, and waste products are exchanged between fetal blood and maternal blood in the placenta.
D)The two umbilical veins take blood directly to the fetal heart.
E)The two umbilical arteries take blood from the fetus to the placenta
F)Shortly after birth, the ductus arteriosus constricts and the flap of the foramen ovale closes.