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Slippery secretion produced by cells of the body's linings that protects the surfaces of the linings
Hair-like structures extending from the surface of cells that line the body passegeways. They wave, propelling mucus to sweep away debris
Respiratory disorder with irritation of the bronchi; thickened mucus; and a deep, harsh cough
Disease of the lungs in which many small, flexible air sacs burst and form a few large, rigid pockets
Smoke that escapes into the air from the burning tip of the cigarette; inhaled by the smoker or others
Difficulty breathing; wheezing sounds from the chest caused by air rushing through narrowed air passages
Whitish/greyish patches that develop in the mouths of tobacco users that may lead to cancer
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