Describe in brief how urine is produced in human body?

Question: Describe in brief how urine is produced in human body?

Urine production in the human body begins in the kidneys through a process called urine formation, which involves filtration, reabsorption, secretion, and excretion. Blood is filtered in the kidneys' nephrons, where water, salts, glucose, and waste products are separated. Essential substances are then reabsorbed into the bloodstream, while additional waste and excess ions are secreted into the nephron tubules. The remaining fluid, now urine, collects in the renal pelvis, travels through the ureters to the bladder, and is eventually excreted through the urethra. This process helps maintain the body's fluid balance, electrolyte levels, and removes waste products.

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