Every part of our body has its own special________ to help us live and stay healthy., job, bacteria, if the liver stops working, the body cannot ________harmful substances, remove, add, If the kidneys fail, waste stays in the______, blood, liver, All body parts must work _______, alone, together, Humans are an example of ___________ organisms., multicellular, unicellular, A _______organism can be a prokaryotic cell or a eukaryotic cell., unicellular, multicellular, Both bacteria and paramecia have __________, cell membrane, nucleus

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