THE TRACHEA - THE TRACHEA (Windpipe)-cylindrical tube that...

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THE TRACHEA (Windpipe )-cylindrical tube that connects the larynx and the 2 primary bronchi. A. It is approximately 4 inches long and 2.5 cm in diameter. The wall of the trachea consists of 3 distinct layers : the mucosa (which is lined with pseudostratified columnar epithelial tissue that contains cilia and goblet cells ), the submucosa and adventitita . 1. Smoking inhibits the activity of and often destroys cilia in the trachea; thus coughing becomes the only means to remove mucus from the trachea. B. The walls of the adventitia are reinforced internally by 16-20 C-shaped rings of hyaline cartilage. This structure provides the trachea with its great flexibility which allows the esophagus to expand during swallowing and it provides the trachea the ability to stretch during respiration. C. What is the Heimlich Maneuver? What is a tracheotomy? . THE BRONCHI AND THE BRONCHIAL TREE -this is the area where respiratory structures are first encountered. The bronchial tree refers to the branched airways leading from the trachea to microscopic air sacs in the interior of the lungs. A. The Primary Bronchi (Right and Left ) are formed where the Trachea branches (near C7). 1. One primary bronchus runs into each lung. The right primary bronchus is wider,
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THE TRACHEA - THE TRACHEA (Windpipe)-cylindrical tube that...

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