Sagot :
Answer:Oxygen and nutrients from the mother's blood are transferred across the placenta to the fetus through the umbilical cord. This enriched blood flows through the umbilical vein toward the baby’s liver. There it moves through a shunt called the ductus venosus. This allows some of the blood to go to the liver.
Explanation:
sana makatulong
Answer: mother's placenta
Explanation: When in the womb, the placenta of the mother lets the baby "breathe." The blood in the placenta transports oxygen and carbon dioxide.