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The kidneys play a crucial role in maintaining the body’s internal environment. Here are some key functions of the kidneys:
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- Filtration: The kidneys filter the blood to remove waste products, toxins, and excess substances such as urea, creatinine, and electrolytes.
- Regulation of Fluid and Electrolyte Balance: The kidneys help regulate the balance of water and electrolytes (such as sodium, potassium, calcium, and phosphate) in the body, which is essential for proper cell function and overall health.
- Acid-Base Balance: The kidneys maintain the body’s acid-base balance by excreting hydrogen ions and reabsorbing bicarbonate ions to keep the blood pH within a narrow range.
- Blood Pressure Regulation: The kidneys play a key role in regulating blood pressure through the renin-angiotensin-aldosterone system, which helps control blood vessel constriction and fluid retention.
- Red Blood Cell Production: The kidneys produce and release erythropoietin, a hormone that stimulates the bone marrow to produce red blood cells, ensuring adequate oxygen transport throughout the body.
- Vitamin D Activation: The kidneys convert inactive vitamin D into its active form, which is essential for calcium absorption and bone health.
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Overall, the proper function of the kidneys is vital for maintaining homeostasis, removing waste products, and ensuring the body’s overall health and well-being. Any disruption in kidney function can lead to various renal disorders and other health complications.
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