Answer:
OPTION A is the correct answer
 
        
             
        
        
        
Answer:
partially permeable
Explanation:
A dilute solution contains a high concentration of water molecules, while a concentrated solution contains a low concentration of water molecules. Partially permeable membranes are also called selectively permeable membranes or semi-permeable membranes. They let some substances pass through them, but not others.
 
        
             
        
        
        
Neuroglial Cells is the answer