How many numbers of kidneys of human body?

The human body normally has two kidneys, one located on each side of the spine just below the rib cage. These kidneys play an important role in filtering waste and extra fluids from the blood, helping to keep the body clean and balanced. They also help control blood pressure and maintain healthy levels of minerals in the body. Some people may live with one kidney due to medical reasons, but in general, a healthy human body has two kidneys.