The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
        
             
        
        
        
I think you should feed your hedgehog dry food
        
             
        
        
        
It is C6H12O6+CO2+H20+energy 
Hope this helped and be safe