To be honest, I don't really understand what your talking about, but I think the answer is cell respiration.
        
             
        
        
        
Answer:
Explanation:
the energy needed to raise the temperature of 1 kilogram of water through 1 °C, equal to one thousand small calories and often used to measure the energy value of foods.
 
        
                    
             
        
        
        
Answer:
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Explanation:
 
        
                    
             
        
        
        
Atria would be empty during the atrial diastole.