One of the most valuable things I learned in this immunology course was how the immune system distinguishes self from non‑self, especially through mechanisms like antigen recognition and tolerance. Understanding these processes helped me make direct connections to my other coursework in biomedical sciences, particularly in cancer immunology and neurobiology. In my cancer‑focused classes, we often discuss how tumors evade immune detection, and this course clarified the molecular checkpoints and signaling pathways that make that possible. The material on immune cell communication also strengthened concepts I learned in cell biology, especially regarding receptor‑ligand interactions and intracellular signaling cascades. Learning how immune responses are regulated helped me better appreciate the complexity behind inflammation and autoimmune disorders, topics that appear frequently across my major. Overall, this course deepened my understanding of how interconnected biological systems are and strengthened the foundation I need for advanced study in immunology and biomedical research.