Answer:
your dumb if u don't know this
Explanation:
stupid
 
        
             
        
        
        
Answer:
A. <em>provide</em><em> </em><em>structure</em><em> </em><em>and </em><em>protection</em><em> </em>
<em>hope</em><em> it</em><em> helps</em>
 
        
             
        
        
        
<span>a small constriction in the <em>myelin sheath</em> of axons ... The hyperpolarized membrane is in a <em>refractory period</em> and cannot fire. ... The <em>speed</em>
of conduction of an action potential along an axon is influenced by
both the diameter of ... Energy Transportation, Introduction to Work and
Energy, and The <em>Role</em> of Energy and Metabolism</span>