Answer:
How do you want me to answer this
Explanation:
 
        
             
        
        
        
If a researcher electrically stimulates the reticular formation in an animal, the animal will immediately wake up and be alert. Its purpose is to have some control of sensory signals and thus has the ability to alert the body when it is tired or needs to be awake.
        
             
        
        
        
About 90% of our DNA is the same.
        
             
        
        
        
False teeth help the digestive system by chewing pieces of food into smaller pieces but it is not part of it. 
<span />
        
             
        
        
        
Answer:
radiant. energy into chemical energy