Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

ADN-1A: Immune and Infection


1. Overview of the Lymphatic and Immune Systems

3. Second Line of Defense: Protein-Based Responses

5. Third Line of Defense: Cell-Based Immunity

7. Third Line of Defense: Humoral Immunity


2. First Line of Defense

4. Second Line of Defense: Cell-Based Responses

6. Immune System: T-Cells

8. Immune Response: Summary