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Season
Season 12 Episode
- Season 9 How Many People Did Nuclear Energy Kill? Nuclear Death Toll
- Season 9 What if the World turned to Gold? - The Gold Apocalypse
- Season 9 Do we Need Nuclear Energy to Stop Climate Change?
- Season 9 The Ultimate Guide to Black Holes
- Season 9 TRUE Limits Of Humanity – The Final Border We Will Never Cross
- Season 9 What Are You Doing With Your Life? The Tail End
- Season 9 The Day the Dinosaurs Died – Minute by Minute
- Season 9 How To Terraform Venus (Quickly)
- Season 9 The Largest Black Hole in the Universe - Size Comparison
- Season 9 How The Immune System ACTUALLY Works – IMMUNE
- Season 9 This Virus Shouldn't Exist (But it Does)
- Season 9 Can YOU Fix Climate Change?
- Season 9 What Dinosaurs ACTUALLY Looked Like?
- Season 9 You Are Immune Against Every Disease
- Season 9 Is Meat Really that Bad?
- Season 9 ...And We'll Do it Again
- Season 9 Why We Should NOT Look For Aliens - The Dark Forest
Kurzgesagt - In a Nutshell - Season 9 Episode 14 You Are Immune Against Every Disease
8.60 10 minutes You are not a person, you are a planet, made of roughly 40 trillion cells. There is so much of you, that if your cells were human-sized, you would be as big as 20 Mount Everests. For your creepy-crawly inhabitants, this makes your body an ecosystem, rich in resources and warmth and space. A perfect place to move into and have a family. While some of these guests are welcome, most are not. Your immune system is the guardian of this planet, the force tasked with protecting yourself against the constant danger of invasion.
