Negative symptoms take place when there is a lack of a particular response in the system. With regards to our immune system, it is very essential that our body needs to respond against the pathogens attacking our cell. The response would result to the production of antibodies that would help eliminate these threats.  
        
             
        
        
        
A.	Deciding which club to join at school	Individual
B.	Picking a theme for a club fundraiser	collaborative
        
             
        
        
        
Well it would be practice. setting goals to practice certain things such as study for a subject or train for a certain sport is really what would get you on track
        
             
        
        
        
builds muscle and increases metabolism (i think)   enhances immune system
correct me if im wrong
 
        
             
        
        
        
20 periods in a college basketball game