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chapter 2 vocab
5 ATHENA ch 2 Scott Foresman 2008
vocabulary word | definition |
---|---|
cell membrane | surrounds a cell, allows certain materials to enter the cell and waste products to exit |
nucleus | contains DNA which controls how the body grows and changes |
cell wall | tough material surrounding the cell membrane in plant cells that provides support and protection |
chloroplast | green part of a plant cell that uses the energy in sunlight to turn water and carbon dioxide into oxygen and sugar |
cytoplasm | all the material of the cell between the cell membrane and the nucleus |
tissue | a group of the same kind of cells working together doing the same job |
organ | a grouping of different tissues combined together into one structure to perform a main job in the body |
organ system | a group of organs that work together to carry out life processes |