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Created page with "== Anatomy and Structure == The nephron is the fundamental functional unit of the kidney, responsible for the filtration, reabsorption, and secretion of solutes necessary for the body's homeostasis. Each kidney contains approximately one million nephrons, each of which is a complex tubular structure composed of two main parts: the renal corpuscle and the renal tubule. Image:Detail-50553.jpg|thumb|center|Close-up view of a nephron with its various parts lab..."