The process that breaks down glucose into ATP is cellular respiration. So, the answer is C.
        
                    
             
        
        
        
The answer would be B) Nitrogen Trioxide
        
                    
             
        
        
        
Answer should be A system
        
             
        
        
        
It could be the cell membrane which is a barrier, thinner than the cell wall, that protects the cell and controls transport from within and outside the cell.
        
                    
             
        
        
        
Answer:
A.  
A drug is any substance that is harmful to the body.
Explanation:
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