| A | B |
|---|
| cell | smallest unit of living matter |
| tissue | group of similar celss that work together to carry out a job |
| organ | group of tissues that work together to carry out a job (ie-heart) |
| organ system | group of organs that work together to perform a job (ie-circulatory system) |
| nucleus | controls all cell activities |
| vacuoles | stores teh cell's food, water and wastes - plants have 1-2 large ones and animals have many small ones |
| cell membrane | a thin covering found outside the cell- in plants, it's found inside the cell wall |
| cytoplasm | a jelly like substance that fills the cell - it's mostly water with other important substances too |
| chloroplasts | most plant cells have these and they are filled with chlorophyll |
| cell wall | stiff structure that protects and supports the PLANT cell |
