They both share the same function
        
             
        
        
        
Answer:
Food (Glucose)
Explanation:
Glucose provides us with energy that is obtained through a process known as glycolysis of carbohydrates. They are our most primary sources of energy. However, Glucose only enters organs and cells, through insulin produced by the pancreas.
 
        
             
        
        
        
A. Neuron
The neurons are cells that process and transmits information through electrical and chemical signals.
-Sasha
        
                    
             
        
        
        
The answer that fits the blank provided above is STEROIDS. Steroids are fat-soluble signal molecules.
        
                    
             
        
        
        
The Sahara and Negev share a Biome