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Our body is made of tiny cells.these play a very key role in functioning.they all group together to form tissuesthen organs then organ system then together form an organism . v allr made   like this. they all r arranged in asuch a way that all similar kind cellls r grouped together . they all function together .so v r able to live .if they mismatch each oter there would b a lot of adverse effets.so the correct arrangement of cell play a very essntial role

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