| A | B |
|---|
| Cell Membrane | Structure that forms outer boundary of cell |
| Cytoplasm | Gel-like material inside the cell membrane |
| Endoplasmic reticulum | A folded membrane that moves material in cells |
| Golgi bodies | Stacks of sacs that package and move proteins |
| Mitochondria | Organelles that release energy for the cell |
| Nucleus | Structure that directs the cell's activities |
| Organ | Different types of tissues that work together to do a job |
| Ribosome | Where proteins are made |
| Tissue | Groups of similar cells that do the same work |
| Prokaryotic cell | Cell without a defined nucleus |
