| vocabulary word |
 |
|
| definition |
 |
|
| cell membrane |
surrounds a cell, allows certain materials to enter the cell and waste products to exit |
| nucleus |
contains DNA which 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 |
| tissue |
a group of the same kind of cells working together doing the same job |
| organ |
a grouping 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 life processes |