Glucose particles are ingested from gastrointestinal cells into the circulatory system. The circulation system then, at that point, conveys the glucose particles all through the body. Glucose enters every cell of the body and is involved by the cells mitochondrion as fuel.
 
        
             
        
        
        
Answer:
identify the variables
Explanation:
control:type of lemon used
dependent:whether apple slice turns brown at pH>2
independent:pH value
 
        
             
        
        
        
I think this would answer your question. I did this in school and I only got a few wrong....
 
        
        
        
Testosterone and oxytocin
        
             
        
        
        
Some producers are Water Ivy, some "river grass" and many more organisms.