Question

Explain the role of kidneys in maintaining water and electrolyte balance. 

21 Jan 2026
Answer :
Word Count : 233
The kidneys play a central role in maintaining water and electrolyte balance, which is essential for homeostasis in the human body. Each kidney contains functional units called nephrons, which filter blood, reabsorb essential substances, and excrete waste products as urine. Water balance is primarily regulated through the process of filtration, reabsorption, and secretion within the nephron. When the body is dehydrated, antidiuretic hormone
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