Season
Season 13 Episode
- Season 2 Three Ways to Destroy the Universe
- Season 2 The Beginning of Everything — The Big Bang
- Season 2 Who Invented the Internet? And Why?
- Season 2 How Big Is the Moon? (MM#1)
- Season 2 The Moons of Mars Explained — Phobos & Deimos (MM#2)
- Season 2 How to Catch a Dwarf Planet — Triton (MM#3)
- Season 2 Are You Alone? (In the Universe)
- Season 2 Iraq Explained — ISIS, Syria and War
- Season 2 The Immune System Explained I — Bacteria Infection
- Season 2 Everything You Need to Know About Planet Earth
- Season 2 Atoms as Big as Mountains — Neutron Stars Explained
- Season 2 Is War Over? — A Paradox Explained
- Season 2 The Ebola Virus Explained — How Your Body Fights for Survival
- Season 2 What Is Life? Is Death Real?
- Season 2 The Ultimate Conspiracy Debunker
Kurzgesagt - In a Nutshell - Season 2 Episode 9 The Immune System Explained I — Bacteria Infection
8.30 10 minutes Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells that fights like a T-Rex on speed and sacrifices itself for your survival. Without it you would die in no time. This sounds simple but the reality is complex, beautiful and just awesome. An animation of the immune system.
