Answer:
The circulatory system, also known as the cardiovascular system, is a simple loop which starts, and ends, with your heart. It is a closed system, meaning blood does not enter or leave the system during its journey from your heart to your body and back again.
Explanation:
 
        
             
        
        
        
It's called telophase in mitosis
 
        
             
        
        
        
Answer:
The circulatory system
Explanation:
The heart, veins and arteries works together to service the cells of the body