“remember” • Active • Adaptive • Allergic • Antibodies • Bacterial • Block • Blood • Chemicals • Contribute • Defense • Directly • During • Eliminate • Fight • From • How • Immediate • Infected • Innate • Kill • Levels • Mark • Neutralize • Own • Passive • Prevent • Produce • Production • Promote • Promotes • Refers • Remembers • Responses • Specific • Spread • Stimulates • Stronger • Sugar • Suppresses • Surface • System • Target • Them • Trigger • Two • Undergo • Upon • Weaken • Within