Which organ filters blood and forms urine in the body?

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Multiple Choice

Which organ filters blood and forms urine in the body?

Explanation:
The kidneys are responsible for filtering blood and forming urine. Inside the kidneys, tiny units called nephrons filter waste from the bloodstream, reabsorb needed substances, and secrete additional wastes into the forming urine. This urine then drains to the bladder. The kidneys also regulate fluid and electrolyte balance, helping maintain overall body homeostasis. Other organs have different primary roles—the heart pumps blood, the lungs exchange gases, and the liver processes nutrients and detoxifies substances—so they don’t form urine.

The kidneys are responsible for filtering blood and forming urine. Inside the kidneys, tiny units called nephrons filter waste from the bloodstream, reabsorb needed substances, and secrete additional wastes into the forming urine. This urine then drains to the bladder. The kidneys also regulate fluid and electrolyte balance, helping maintain overall body homeostasis. Other organs have different primary roles—the heart pumps blood, the lungs exchange gases, and the liver processes nutrients and detoxifies substances—so they don’t form urine.

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