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Science Chapter 2
Vocabulary Review
Term | Definition |
---|---|
cell membrane | Surrounds a cell, allows certain materials to enter the cell and water products to exit. |
nucleus | Contains DNA that 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. |
vacuole | In cells they store and break down materials, in plant cells they may store water |
tissue | A group of the same kind of cells, working together doing the same job. |
organ | A group 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 a life process |