The |nephron| is the functional unit of the |kidney|, responsible for the actual purification and filtration of the ~blood~. About one million |nephrons| are in the |cortex| of each |kidney|, and each one consists of a ~renal~ corpuscle and a ~renal~ tubule which carry out the functions of the |nephron|. The ~renal~ tubule consists of the |convoluted tubule| and the loop of Heinle.
