@dr_shorouk_md: Did you know that each kidney contains about 1 million nephrons? The nephron is the functional unit of the kidney, responsible for: Reabsorption Secretion Urine formation Filtration From the glomerulus to the collecting duct, every segment has a unique role in maintaining fluid, electrolyte, and acid-base balance. Watch till the end for a quick high-yield revision! #dr_shorouk_atef #studywithme #medicalstudent #Nephron #Kidney