Anatomical barriers play a large role in preventing the entrance of a pathogen into the body. they provide a critical first line of defense. think about what a potential pathogen like a bacteria or a virus would have to overcome in order to get into your body, or charlie’s body, and then into the target tissue to untimely make you sick. list several (at least three) of these critical barriers and how they to eliminate pathogens. describe how these mechanisms are or could be related to the symptoms you often get when someone falls ill (for example with the cold or a stomach flu).