a tube
The abdominal aorta carries blood from the heart to the kidneys.
renal artery
The renal artery carries blood to the kidney, and the renal vein carries blood that has been purified by the kidney.
The renal artery carries blood into the kidneys while the renal vein drains the blood.
vein
Renal vein.
nitrogenous waste
Brain Heart Kidneys Liver
The renal vein, which then joins to the Inferior Vena Cava
The renal vein carries deoxygenated blood from the kidneys to the heart.
The renal artery delivers blood to the kidneys.
The renal vein carries blood away from the kidney and back towards the heart.