Almost every type of living creature relies on mucus to help keep itself healthy. Learn what snot can teach us in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/respiratory/mucus.htm

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Episode: https://omny.fm/shows/brainstuff/why-do-we-all-have-snot

Podcast: https://www.iheart.com/podcast/brainstuff-20922291/