[Answer] What major role do the kidneys play in the cardiovascular system?

Answer: Regulate blood pressure by altering blood volume

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What major role do the kidneys play in the cardiovascular system? The kidneys also regulate blood pressure hormonally. In order to do this the kidneys must directly monitor the blood pressure which they do by measuring the amount of blood flow that the kidneys receive. As the Cardiovascular Physiology Concepts site explains this function is performed by special renal cells known as the juxtaglomerular cells. Together the heart blood and blood vessels make up a system called “the cardiovascular system.” Think of it as a delivery system. The delivery system moves blood from the heart carrying oxygen and nutrients throughout your body and also picks up waste products so that your body can get rid of them. The kidneys are two bean-shaped organs each about the size of a fist. They are located just below the rib cage one on each side of your spine. Healthy kidneys filter about a half cup of blood every minute removing wastes and extra water to make urine. The urine flows from the kidneys to the ... There are two kidneys in the human body one on each side of the abdomen above the level of the belly button and towards the back ...

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