| A | B |
|---|
| tissue | cells similar in form and function |
| cell | smallest unit in an organism |
| cytoplasm | liquid inside the cell membrane |
| system | things or ideas that work together |
| organ | a part made of tissue which has a specific function |
| nucleus | cell part that controls cell's activity |
| cell wall | outside covering of a plant cell |
| cell membrane | outside covering of an animal cell |
| chloroplast | part of plant cell that contains chlorophyll |
| vacuole | cell part that stores water and nutrients |
