How does the immune system work?by TED-Ed Medicine (2018)
The focus of this short 5.09-minute lecture is to explain how the immune system works. It firstly looks at what the immune system protects you against; it then defines what the immune system is; after that it explains the role and the types of white blood cells and how they work together; it then identifies the bodily symptoms that help the immune system before finally explaining what happens to people with autoimmune diseases. The listening test worksheet includes: table completion / summary gap fill / vocabulary.
