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प्रश्न
Why is excretion necessary in living beings?
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उत्तर
The excretion is necessary because the toxic products if allowed to be retained in the body act as poison and cause great harm to the body. If they exceed the threshold, they may even cause death.
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संबंधित प्रश्न
the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules
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