ANATOMY

Detailed explanation-1: -Deoxygenated blood leaves the kidneys via the right and left renal veins that run into to the inferior vena cava.

Detailed explanation-2: -The main blood vessel that carries blood from the kidney and ureter to the inferior vena cava (a large vein that carries blood to the heart from the lower part of the body). There is a renal vein for each kidney.

Detailed explanation-3: -Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart. The oxygen-poor blood enters the right atrium (RA), or the right upper chamber of the heart.

Detailed explanation-4: -The renal artery carries oxygenated blood to the kidneys.

Detailed explanation-5: -Blood comes to the kidneys from the abdominal aorta and inferior vena cava, the large arteries and veins that are part of the ascending aorta. Oxygenated blood is brought to the kidneys from a small branch called the renal artery.