The impact of tobacco on the respiratory system
Inhaled into the body act harmful components of tobacco smoke. Available in smoke ammonia is irritating to mucous membranes of the mouth, nose, larynx, trachea and bronchi. As a result of developing a chronic inflammation of the airways. Stimulation ¬ Niko Tin nasal mucosa can lead to chronic catarrh, which is spreading on the course, which connects the nose and the ear can cause hearing loss. Smoke acts on the vocal cords. Prolonged smoking leads to the fact that in them is growing fibrous tissue, narrowing the glottis. Chronic irritation of the vocal cords change tone and color of pronunciation, the voice loses its purity and sonority becomes hoarse, that for singers, actors, teachers, lecturers may end professional unsuitability. Getting into the trachea and bronchi (the airways, the air enters the lungs), nicotine acts on their mucous membranes and the upper layer, which has to ¬ leblyuschiesya cilia, cleaning the air of dust and small particles. Nicotine paralyzes the cilia, and t...