That is the major calyx, hope I helped :)
        
             
        
        
        
Not trying to steal points, but no one can really answer this question without knowing which drug you are asking about! I’ll try to help if you comment what drug the question is about :)
        
             
        
        
        
I believe that the answer is C. Hallucinogens but i don't know much about addictions.
        
             
        
        
        
Answer:
to facilitate growth of body. to protect the body. and others