| A | B |
|---|
| CELL | basic unit of structure and function |
| ORGANELLE | "tiny organ" inside of cell |
| CELL WALL | outermost boundary of plant cell |
| CELL MEMBRANE | outermost boundary of all cells |
| NUCLEUS | directs all cell activities |
| CHROMOSOME | rod shaped cell structure - DNA |
| CYTOPLASM | area between membrane & nucleus |
| ENDOPLASMIC RETICULUM | tubular passageways |
| RIBOSOME | protein-making site |
| MITOCHONDRION | powerhouse of cell |
| VACUOLE | storage sac |
| LYSOSOME | structure for digestion |
| CHLOROPLAST | acts in photosynthesis |
| TISSUE | group of cells |
| ORGAN | group of tissues |
| ORGAN SYSTEM | group of organs |
| DIVISION OF LABOR | division of work among parts |
