How the Human Immune System Works
Kurzgesagt – In a Nutshell · Explainer · 11 min · 2021 · YouTube title: How The Immune System ACTUALLY Works – IMMUNE
Why it's here
HN commenters suggest it as a simple, well-made introduction to how immune responses work when discussing infection, T cells or chronic illness.
What it covers
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.