Answer:
Explanation:
The central nervous system controls these movements through the spinal motor neurons which serve as the final common pathaway to the muscles
 
        
             
        
        
        
Endocrine and circulatory (C) Endocrine system consists of glands and the hormones they secrete whist the circulatory system is the blood or as I like to call the “transport system” of the body.
        
             
        
        
        
Answer:
The return of blood to the heart is assisted by the action of the skeletal- muscle pump. As muscles move, they squeeze the veins running through them. Veins contain a series of one-way valves, and they are squeezed, blood is pushed through the valves, which then close to prevent backflow.
 
        
                    
             
        
        
        
Question: How does oceanic crust move along mid ocean ridges
Answer: Oceanic crust slowly moves away from mid-ocean ridges and sites of seafloor spreading
Explanation: as a result it becomes cooler, more dense, and more thick.
question answered by
(jacemorris04)
 
        
                    
             
        
        
        
The answer is C=genetic information flows from DNA to RNA to protein