Watch Crash Course Anatomy & Physiology Season 1 Episode 46 Online
- COUNTRIES: United States of America
- Subtitles: English
In the penultimate episode of Crash Course Anatomy & Physiology, Hank explains your adaptive immune system. The adaptive immune system's humoral response guards extracellular terrain against pathogens. Hank also explains B cells, antibodies, and how vaccines work.
