All the veins have deoxygenated blood except
The umbilical vein carries oxygenated blood from the placenta to the foetus. The pulmonary vein carries oxygenated blood from the lungs to the heart.
All veins carry deoxygenated blood except pulmonary vein.
Which vein brings clean blood from the lungs into the heart ? (a) renal vein (b) pulmonary vein (c) vena cava (d) hepatic vein