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General Knowledge: Movies, Science, and India
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The main function of the kidney is
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A
To remove waste product from the body
💡 Explanation:
The kidney's primary function is filtering blood to remove waste products and excess substances, excreting them as urine. Each kidney contains about one million nephrons that perform this filtration. While kidneys also help regulate blood pressure and produce hormones, waste removal is their MAIN function. The other options describe functions of other systems (circulatory, nervous, digestive).