In humans, the kidneys are two reddish-brown bean-shaped blood-filtering organs [1] that are a multilobar, multipapillary form of mammalian kidneys, usually without signs of external lobulation. [2][3] They are located on the left and right in the retroperitoneal space, and in adult humans are about 12 centimetres (41⁄2 inches) in length. [4][5]...

May 17, 2022 · Most people have two kidneys, organs that sit in the back of your abdomen. Your kidneys’ primary function is to filter your blood. They also remove waste and balance your …

Why are the kidneys important? How do my kidneys work? How does blood flow through my kidneys? 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.

Learn about kidney failure symptoms, tests, diagnosis and treatment options, including medication, dialysis and kidney transplant.

Oct 15, 2024 · The kidneys perform important functions that keep the body in balance, such as filtering blood, regulating blood pressure, and removing waste. Simple lab tests can check kidney function to help find problems early.

Oct 24, 2023 · Kidney Disease: There are several types of acute kidney problems and chronic kidney diseases leading to kidney failure. Learn more in this guide.

May 22, 2018 · The kidneys are two bean-shaped organs in the renal system. They help the body pass waste as urine. They also help filter blood before sending it back to the heart. The kidneys perform many...

Aug 13, 2024 · Where are the kidneys located, what do they do, and what do they look like? The kidneys help remove waste products from the body, maintain balanced electrolyte levels, and regulate blood...

Mar 21, 2025 · Kidney, in vertebrates and some invertebrates, organ that maintains water balance and expels metabolic wastes. Primitive and embryonic kidneys consist of two series of specialized tubules that empty into two collecting ducts, the Wolffian ducts (see Wolffian duct).

Nov 3, 2023 · Overview of the internal and external structure of the kidneys. The kidneys are bilateral organs placed retroperitoneally in the upper left and right abdominal quadrants and are part of the urinary system.