The alarm stage because  the alarm stage is when the adrenaline kicks in and saves a lot of peoples lives
        
                    
             
        
        
        
The first line of denfense involves 
Skin
        
             
        
        
        
Once I got into a huge fight with my brother. He was refusing to listen to my point of view, so I got very frustrated. I ended up storming off to my room and hurting myself. Instead, I should have tried to talk it out with my brother, or tell a parent. 
Hope that helps :)
 
        
                    
             
        
        
        
Answer:
It will teach what we go through in each life span and how to help treat different things that may occur during it. It will also teach how we act and react to different events in the differentages.
Explanation: