Answer:
Was this for a different problem that you were trying to solve?
Explanation:
 
        
             
        
        
        
Answer:
T-Cell 
Explanation:
T-Cell is the first line of deffence 
 
        
             
        
        
        
Answer:
Muscle contraction is defined at the molecular level by myosin molecules bringing actin filaments together.
Explanation:
Researchers at Osaka University have created new electron cryomicroscopy images with remarkable resolution that reveal unusually substantial conformational changes in the myosin molecule during the pull.
 
        
             
        
        
        
I believe that they all effect the production of hormones 
 
        
                    
             
        
        
        
Answer:
I need mor info to help this just confused Me and bonnie