Because it does.
Umbilical Vein, all other vessels have varying degrees of oxygenated and deoxygenated blood.
In the umbilical cord you have one vein and two arteries. This vein goes to the liver of foetus. This blood vessel contains most oxygen and food in case of foetus. After birth this vessel gets obliterated to form the falciform ligament.
There are two veins that carry oxygen they are the Pulmonary vein and the Umbilical vein:-)
Oxygen rich - the opposite of what the majority of veins are in the body.
Umbilical vein is saturated with oxygen and devoid of carbon bi oxide. Umbilical arteries has lost much of the oxygen and it is replaced with carbon bi oxide. Umbilical vein is full on digested food material, like amino acids, glucose, fatty acids, vitamins and minerals. Umbilical arteries has got waste products of metabolism and lost much of the food material to the fetus. The blood pressure is umbilical vein is very low. The blood pressure in the umbilical arteries is high.
No, Umbilical arteries take deoxygenated blood from the fetus to the placenta, it is the umbilical vein carries the oxygenated blood from the placenta to the futus.
The umbilical vein carries oxygenated blood from the fetus to the placenta for nutrient and oxygen exchange.
An umbilical vein is one of the blood vessels contained in the umbilical cord. It contributes to fetal circulation.
The umbilical vein is found in fetuses and newborn infants. Within a week after birth, the umbilical vein is destroyed and replaced by the round ligament of the liver.
b. umbilical vein
The most fetal blood in the umbilical vein enters the inferior vena cava through the ductus venosus.
Oxygen is carried from the mother to the fetus through the placenta and umbilical vein.