JAMB - Biology (2015 - No. 61)
De-oxygenated blood is transported to the lungs through the
renal vein
hepatic portal vein
pulmonary artery
pulmonary vein
Erläuterung
Option C is correct. This is because for deoxygenated blood (blood containing carbon (iv) oxide) in the heart to be returned back to the lungs for the removal of the CO2,pulmonary artery aids in the process.