Explore the intricacies of the lymphatic system in this comprehensive 18-minute video lecture. Delve into the differences between primary and secondary lymphatic organs, including lymph nodes, tonsils, and spleen. Gain a solid foundation in immunology basics, covering topics such as innate and adaptive immunity, plasma, white blood cells, lymphocytes, and natural killer cells. Designed for medical students preparing for exams like MCAT, NCLEX, DAT, USMLE, and NEET, as well as healthcare professionals seeking to refresh their knowledge.