Answer:
The <u><em>second </em></u>line of defense.
Explanation:
In our bodies the <em><u>second line of defense</u></em> includes active immunity. It contains non-specific immune responses, but yet still contains specific responses for certain things such as inflammatory and fevers.
 
        
                    
             
        
        
        
<span>Inflation theory is the theory explains why our universe is structured and uniform and suggests that the universe is flat in shape. According to that theory, the universe expanded exponentially fast for a fraction of a second after the Big Bang.</span>
        
                    
             
        
        
        
Because they would need to compete over resources.
        
             
        
        
        
Answer:
the main function of Krebs cycle is that it plays a big role in the process of energy production and biosynthesis.