A sneeze (or sternutation) is a semi-autonomous, convulsive expulsion of air from the lungs through the nose and mouth, caused by foreign particles irritating the nasal mucosa. Sneezing can be triggered through sudden exposure to bright light, a particularly full stomach, or viral infection. Sneezing may spread disease.
The function of sneezing is to expel foreign particles or irritants and cleanse the nasal cavity, particularly during viral infe...
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Sneeze
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