Eye lens center of the . optical nervous system reciprocal visual image into our eyes
        
             
        
        
        
Answer: the correct option is : highly developed cell- cell communication.
Explanation: In complex multicellular organisms, cell - cell communication also known as cell signalling is part of any communication process that leads basic activities of cells and coordinates multiple cell functions.
 
        
             
        
        
        
I would select A because cells have to divide into smaller cells depending on where they are.