skeletal system and the muscular system, 
Muscles are attached to the skeleton and work assuming that the skeleton is there; for example, there is no muscle that makes sure you don't bend the middle of your arm, as it's stable because there is a bone in it. Basically, the skeleton is a scaffolding for the muscles.
the skeletal system and the nervous system,
Many nerves run along the skeleton, or even inside the bones, and the bones protect the nerves; for example in the spinal cord
the muscular system and the nervous system.
The Nervous system controls the muscles; it sends the muscles commands
 
        
                    
             
        
        
        
Yes they both are common and hereditary. If a mother has Diabetes or the gene that carries cancer then it is in fact hereditary.
Hope this helps
        
                    
             
        
        
        
S= stop
T= the
O= offensive
P= peoples
        
                    
             
        
        
        
No, a perspiration drug need a prescription from a doctor that says you can have this drug, how much you get, how often you take it, and when you can get it refilled.<span />
        
                    
             
        
        
        
Teen violence in a relationship can show up in many ways. Someone in the relationship may try to control the other person by what they wear, when they go out, who they talk to. Violence can also be shown by physical violence to the other person in the relationship. And since it is with teens the person being abused may not always try to get out of the relationship or think it is "normal".