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How The Immune System ACTUALLY Works – IMMUNE
Kurzgesagt – In a Nutshell

A Kurzgesagt animation giving a big-picture tour of the human immune system, its organs, transport network, and the cells it produces every day. It accompanies their IMMUNE book.
HN commenters suggest it as a simple, well-made introduction to how immune responses work when discussing infection, T cells or chronic illness.
4 Hacker News mentions · 2021–2024