The answer is A, the immune system
Cocaine abuse can have neurological effects such as abusively fighting someone and much more factors that are bad that can really hurt someone deeply.
This is true it's muscle tissue that are soft tissues that contains muscles that gives the ability to the muscles to contact.
Views of the people who live there:opinions, likes ,dislikes etc.
Try different methods of trying to get them to respond it would only make sense right??