The Nature Immunology

FIRST: Watch the three following videos, found on the Nature Immunology website ( https://www.nature.com/ni/video):

1. Animation: Immunology of the lung (video)
2. Animation: Immunology in the skin (Video)
3. Animation: Immunology in the gut mucosa (Video)
   SECOND: Describe, in complete sentences, 5 new facts that you learned from EACH video, OR 5 facts that you found especially interesting about EACH video.
   This writing assignment will consist of 5 sentences, one for each each of the three videos, for a total of 15 sentences for the entire assignment.