Answer:
growth, the increases in cell size and number that take place during the life history of an organism.
Hope this helps :)
 
        
             
        
        
        
creation of new organisms
reproduction of new cells
When cells are damaged, they usually die. Also, they don't grow, instead, they multiply to form new tissue. Therefore, answers (1) and (3) are not correct. 
 
        
                    
             
        
        
        
Research and studying natural and physical world
        
             
        
        
        
The human body is organized at different levels, starting with the cell. Cells are organized into tissues, and tissues form organs. Organs are organized into organ systems such as the skeletal and muscular systems.