Relier Pairs The Immune SystemVersion en ligne Play this game! par EMILY LECKNER 1 B Cells 2 Antibodies 3 3rd Line of Defense 4 Types of Pathogens 5 2nd Line of Defense 6 1st Line of Defense 7 pathogen 8 The Inflammatory Responses 9 T Cells The skin, mouth, stomach and breathing An organism that causes disease Pain, redness, swelling and warmth Produce antibodies to destroy pathogens The Immune Response Recognizes the different pathogens by their antigens Bacteria, viruses, fungi, and protozoa Chemicals that lock onto the antigen of a pathogen and mark it The Inflammatory Response