<h2>
Answer:</h2><h2>Haha!</h2><h2>I don't know sorry (◔‿◔)</h2>
 
        
             
        
        
        
Muscle contraction occurs when the brain tells the body to move. The brain ... Muscle cramps are primarily caused by a lack of ATP in the body. ... The function of potassium inside the muscle cell is to repolarize the membrane.
 
        
             
        
        
        
2. Increases 
but you might have to double check this
        
                    
             
        
        
        
 
 By manipulating the substrates of the reaction, the enzyme can lower the necessary energy needed to make the reaction occur.