Description of the Respiratory Tract of Man
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Description of the Respiratory Tract of Man Air is drawn in through the nose into the nasal cavity in which the air is warmed to the required temperature and filtered by nasal cilia. Next the air passes epiglottis, which is a flap of tissue that prevents food from passing into the trachea. Then the air comes down into the glottis, which is the opening of the trachea. Inside the glottis is the larynx (voice box) it produces sound by air being forced through it. The trachea is a pipe shaped by rings of 'C' shaped cartilage, which prevents it from collapsing. The trachea then divides into two smaller tubes called bronchi, which also have 'C' shaped rings of cartilage. These carry air into each lung. Inside the lung, the bronchi divide into even smaller tubes called bronchioles. At the end of each of these bronchioles are...


