Think about skin cells. Skin cells shed every day, if cell division didn't take place, you would just constantly be losing skin cells.
 
        
             
        
        
        
Chloroplast and mitochondria. Only mitochondria is an animal.
        
             
        
        
        
Answer:
involuntary muscle
Explanation:
Involuntary muscles are those that cannot be controlled by will or consciousness and are frequently associated with organs that contract and relax slowly and regularly. Because there are no striations when viewed under a microscope, involuntary muscles are also known as smooth muscles or non-striated muscles.