Answer:
i imagine them as peopel in a big city, or animals in the wild with predators that are hungry, the cell uses the ribosomes for food and to heal the cell with energy.
Explanation:
 
        
                    
             
        
        
        
Answer:
a pH meter is the correct answer
Explanation:
i just did the test
 
        
             
        
        
        
Active transport moves from low to high
        
             
        
        
        
Systematic separation of the circulation of the blood. The right side of the heart receives oxygen-poor blood from your body and pumps it to the lungs. The lungs oxygenate the blood which returns to the heart and is pumped to the rest of the body by the left side of the heart. After which the blood returns to the right side, completing the cycle of circulation.