CELL - The smallest unit of life, TISSUE - A group of cells working together, ORGAN - A group of tissues working together, ORGANSYSTEM - A group of organs working together, SPECIALISED - Cells with a structure that helps them do a job, NUCLEUS - The control centre of a cell, CELLMEMBRANE - Allows substances in or out of a cell, CYTOPLASM - Where chemical reactions take place in cells, ANIMAL - The simplest types of cells are found here, PLANT - More complex cells are found here,

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