'नेफ्रॉन' कहाँ पाया जाता है?

उत्तर: (B) वृक्क (किडनी) / Kidney — Nephron is the structural and functional unit of the kidney. Each kidney has ~1 million nephrons. Parts: Bowman's capsule, PCT, Loop of Henle, DCT, Collecting duct. Nephron filters blood and produces ...