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Respiration in Organism

Class 7 Respiration in Organisms - Facts

Learn more about Respiration in Organism of Class 7.


The function of?sneezing?is to expel mucus containing irritants from the nasal cavity. A?sneeze, or sternutation, is a semi-autonomous, convulsive expulsion of air from the lungs through the nose and mouth, usually caused by foreign particles irritating t


 

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