For people suffering from high blood sugar, the insulin
helps decreases the amount of sugar in the system. The negative feedback in the
system regulates the amount of sugar in the system in order to maintain the homeostasis
in the body.
 
        
             
        
        
        
Answer:
to protect the spinal cord
Explanation:
 
        
             
        
        
        
They go on the first level of the pyramid!! Hope that this helped