What is mucus?In what way does it help when in stomach and lungs?

Asked by Laxmibhavani | 22nd Feb, 2010, 06:38: PM

Expert Answer:

Mucus is the protective, slippery secretion of the mucus membranes.

In the gut it lubricates the passage of food and protects the epithelial cells; in the nose, throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium.

Answered by  | 24th Feb, 2010, 06:31: PM

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