Which artery supplies blood to the kidneys?

The renal artery is the vessel responsible for supplying blood to the kidneys. It branches off from the abdominal aorta and specifically delivers oxygen-rich blood needed for the kidneys to perform essential functions, such as filtering waste from the blood and regulating fluid balance. The renal artery enters each kidney at the hilum, where it further divides into smaller branches that supply the various parts of the kidney.

Understanding the significance of the renal artery is crucial in the context of renal health and various medical conditions that may affect kidney function. Additionally, it's important to note that the femoral artery primarily supplies blood to the lower limbs, the aorta is the main artery of the body from which many branches arise, and the hepatic artery supplies blood to the liver, thus reinforcing why the renal artery is the most relevant answer in this context.