Monday, April 9, 2007
Cough Is Natural Reflex Reaction Of A Human
Cough is natural reflex reaction of a human body On any drinks, tracheas, bronchial tubes and, especially - Trachea site on a branching of the main bronchial tubes. Cough - the important component protective Activity of bronho-pulmonary system which can become the main things Sign of illness of a lung and vital issue for the big Quantities of patients. The normal mechanism of cough occurs at What inhalation or gas in the top department of a respiratory path, Accompanied by closing of a vocal crack and increase inside Pleural pressure to 300 cm H2O. Approximately in 0.2 seconds, After closing, the vocal crack is reflex opens and inside Pulmonary air with force exhausts. The kashlevoj certificate has 5 components: 1) Excitation of receptors of cough, 2) centripetal impulses on To nerves, 3) centre of cough not full defined in brain structures, 4) nervous impulses, 5) muscles of executive powers and Elements. In summary it is necessary to notice that receptors Cough find everywhere - throughout all air line of bronchial tubes, in The top part , in external acoustical pass, a pericardium and a diaphragm.
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