dinosaurs are now extinct
        
             
        
        
        
Hm maybe put the definition of each choice? AHH sorry
        
             
        
        
        
Answer:
through synaptic transmission  as action potential , which transmits the action potential across   to synapse( neuromuscular juction  ) to reach the postsynaptic end plate. the end -plate terminated on the muscles to bring response. 
Explanation:
 
        
             
        
        
        
Proteins are broken down into amino acids. Side note: the enzyme that helps in breaking protein down is called the protease