Sputum Definition and What is Sputum

Definition of Sputum Sputum is the mucus and secretions the pulmonary tract produces, mixed with debris and foreign matter that enter the airways. Sputum is a normal body fluid, though excessive amounts of sputum often signal pulmonary disease. The color and consistency of sputum provide clues about the health of the lungs and airways, though are not […]

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Trachea – Definition and Function of Trachea

Definition and Function of Trachea The major airway leading from the throat to the lungs – extends about four and a half inches from the top of the throat to the center of the chest. The sternum (breastbone) in the front and the spine in the back protect the trachea for much of its length. The front […]

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