The kidneys are vital organs in the human body that play a crucial role in maintaining overall health. Here are some key points about the kidneys:
- Location: The kidneys are bean-shaped organs located on either side of the spine, just below the ribcage. Each person typically has two kidneys.
- Function: The primary function of the kidneys is to filter blood and remove waste products and excess fluids from the body, which are then excreted as urine. Additionally, they help regulate electrolyte balance, blood pressure, and red blood cell production.
- Nephrons: The functional units of the kidneys are called nephrons. Each kidney contains about a million nephrons, which are responsible for filtering the blood and reabsorbing essential substances.
- Urine Formation: The process of urine formation involves filtration, reabsorption, and secretion. Blood is filtered in the nephrons, and the resulting filtrate undergoes various processes to concentrate waste products and excess fluids into urine.
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