Question: What statement describes what happens to the carbon dioxide waste produced by a developing baby during pregnancy?
Choose your answer from:
[-] It is carried by the umbilical cord to the placenta and then to the mother's blood.
[-] It is released from the fetus by its breathing and then is absorbed by the placenta.
[-] It is released through the fetal urine and then exits through the umbilical cord.
[-] It is carried through shared blood vessels and then to the mother's lungs.
Answer:
It is carried by the umbilical cord to the placenta and then to the mother's blood.