Catalog · Introductory Biology Lecture 31 of 35 Lecture 31: Immunology 2—Memory, T Cells, and Autoimmunity ← Previous Lecture 30: Immunology 1—Diversity, Specificity, and B Cells Next → Lecture 32: Infectious Disease, Viruses, and Bacteria ✓ Mark complete Materials Transcript (PDF) ↗ transcript