Students in a health class are researching the roles of parts of the immune system. Roger is learning about the way that the immune system can produce specific antibodies that surround a pathogen, neutralizing it and signaling its destruction before it can cause further harm to the organism. Which part of the immune system is Roger studying? Responses A the tonsilsthe tonsils B the lymph nodesthe lymph nodes C the T cellsthe T cells D the B cells