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3chzpizza4brkfast t1_j35nd6q wrote

Reply to comment by masklinn in Where does all of the snot come from when you have a cold? by Dunkachin0

RN here. Mucous is secreted when your immune system detects a pathogen (virus or bacteria) and WBCs among other immune cells make up mucous therefore engulfing it and killing it or blowing it out your nose

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Spider-Ian t1_j35sbdw wrote

Do you know anything about sinus infections? Like why is the mucus such a different texture? And why does it keep building back up after it's emptied for like a week?

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