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What produces phlegm in the human body?

Updated: 8/10/2023
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Wiki User

12y ago

Best Answer

Your lungs produce mucus to warm and moisten the air you breathe. Air has to be warmed before it gets to your lungs. That's why on cold days your nose will run. You produce approx 1 cup per day and swallow most of it without realizing it.

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14y ago
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15y ago

Your body excrets stuff... and it binds to bad stuff.. and then, your lungs expell the stuff out.. boo-ya

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12y ago

cilia

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Q: What produces phlegm in the human body?
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