The structure of the kidney is intricately designed to facilitate its primary functions of filtering blood, removing waste, and regulating fluid balance. The nephron, the functional unit of the kidney, consists of a glomerulus for filtration and a tubule for reabsorption and secretion, allowing for efficient processing of blood. The extensive network of blood vessels surrounding the nephrons ensures optimal nutrient exchange and waste removal. Additionally, the kidney's layered structure, including the cortex and medulla, supports different stages of urine formation, enhancing its overall efficiency in maintaining homeostasis.
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