1 季节
47 插曲
Crash Course Anatomy & Physiology - Season 1 Episode 46 第 46 集 (2015)
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.
- 国家 : United States of America
- 类型 : Documentary
- 工作室 : YouTube
- 导向器 : Hank Green
- 投 : Hank Green