2 Season
81 Episode
Crash Course Biology - Season 1 Episode 32 Your Immune System: Natural Born Killer
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.
- Year: 2024
- Country: United States of America
- Genre: Documentary
- Studio: YouTube
- Keyword: education, biology
- Director:
- Cast: Samuel Ramsey