|  
 
|  |  |   
| 4 | receive and send cell materials |   
| 7 | produces energy for the cell |   
| 9 | passageways through the cell |   
| 10 | controls what goes in and out |   
| 11 | group of organs working together |   
| 14 | produces cell energy |   
| 15 | directs cell activities |   
|  |  |  
 
|  |  |   
| 1 | stiff wall surrounding cell |   
| 2 | cells that perform the same function |   
| 3 | factories that produce protein |   
| 5 | life from non living sources |   
| 6 | basic unit of structure |   
| 8 | discovered the cell |   
| 12 | stucture composed of tissues |   
| 13 | stores food water waste |   
|  |  |