microscope, A tool that makes tiny things look bigger so people can see them, cells, The tiny pieces that all living things are made of, microbes, Very small living things that you can only see with a microscope, amoeba, One of the biggest types of microbe but still so small that fifty together are like one grain of rice, tissues, Groups of the same cells that work together to do one job, organs, Important body parts made of different tissues that do special jobs, cytoplasm, The liquid part inside a cell where important chemical reactions happen, cell membrane, The thin skin around a cell that holds it together and lets water and some things move in or out, nucleus, The control part inside a cell that tells the cell what to do

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