I wish you added the diagram but I can tell that the long strings are the spindle fibres.
 
        
                    
             
        
        
        
Answer:
It would be the epimysium
Explanation:
 
        
             
        
        
        
Answer:
the correct the answer is a
 
        
             
        
        
        
Answer:
I may be wrong but try A.
 
        
             
        
        
        
Answer:
C - They are also the starting material (reactants) of Cellular Respiration.
Explanation:
Hope this Helps!!
:D