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Gross! James May Explains Where Snot Comes From | Earth Lab

Key Facts In This Video

  1. Mucus membranes line all external cavities of the body that are exposed to the outside environment. 00:09

  2. The nose is producing snot constantly, but in small amounts that tend to dry up in the nose. 01:24

  3. Hypersecretion happens when the body produces a lot of mucus to combat an illness. 01:56