If anything other than air enters the larynx, then there's a cough reflex to kick it right out.
只要不是空气进入喉部，我们就会将异物咳出体外。
| 单词 | Cough reflex |
| 释义 |
Cough reflex
原声例句
Osmosis-解剖与生理 If anything other than air enters the larynx, then there's a cough reflex to kick it right out. 只要不是空气进入喉部，我们就会将异物咳出体外。
英语百科
Cough reflexThe cough reflex has both sensory (afferent) mainly via the vagus nerve and motor (efferent) components. Pulmonary irritant receptors (cough receptors) in the epithelium of the respiratory tract are sensitive to both mechanical and chemical stimuli. The bronchi and trachea are so sensitive to light touch that slight amounts of foreign matter or other causes of irritation initiate the cough reflex. The larynx and carina are especially sensitive, and the terminal bronchioles and even the alveoli are sensitive to chemical stimuli such as sulfur dioxide gas or chlorine gas. The rapidly moving air usually carries with it any foreign matter that is present in the bronchi or trachea. Stimulation of the cough receptors by dust or other foreign particles produces a cough, which is necessary to remove the foreign material from the respiratory tract before it reaches the lungs. |
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