UNIT I: Sense of Being: The Concept of Self and Self/NonselfRecognition Chapter 1: The Need forSelf-Recognition Chapter 2: Antigens and Receptors UNIT II: The Innate Immune System Chapter 3: Barriers to Infection Chapter 4: Cells of the Innate ImmuneSystem Chapter 5: Innate Immune Function UNIT III: The Adaptive Immune System Chapter 6: Molecules of AdaptiveImmunity Chapter 7: Cells and Organs Chapter 8: Generation of Immune Diversity: LymphocyteAntigen Receptors Chapter 9: Lymphocyte Development Chapter 10: Lymphocyte Activation Chapter 11 : Lymphocyte Effector Functions