A mucus membrane:

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    lines the digestive and respiratory tracts.
    lines all closed body cavities.
    lacks epithelial cells.
    covers the muscles.
    lines the heart.
asked May 27, 2013 in Anatomy & Physiology by anonymous
    

1 Answer

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lines the digestive and respiratory tracts.
answered May 28, 2013 by NewSky ~Expert~ (2,450 points)

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