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प्रश्न
How do we know that we are hungry and that we should now eat?
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उत्तर
When the level of energy giving substances present in the blood falls down, our brain can understand it. The brain tells us that 'we are hungry and we should eat something to restore this level.· Thus, the coordinating brain gives us order to eat.
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संबंधित प्रश्न
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