Final answer:
Blood enters the kidney via the renal arteries and exits via the renal veins. The segmental renal arteries split into interlobar arteries, which then split into arcuate arteries. The cortical radiate arteries branch into afferent arterioles that supply the nephrons. OPTION 9a)
Step-by-step explanation:
Blood enters and exits the kidney at the renal hilum, and the renal blood supply starts with the branching of the aorta into the renal arteries. They end with the exiting of the renal veins to join the inferior vena cava. Each segmental renal artery formed by the splitting of the renal arteries splits again into interlobar arteries and enters the renal columns.
These again split to form arcuate arteries, from which cortical radiate arteries radiate out and branch into many afferent arterioles that enter the capillaries supplying the nephrons. Veins trace the path of arteries and have similar names, except there are no segmental veins.