The mucus membrane that lines the nose cavity produces fluid and mucus. This fluid not only helps keep off allergens, pollens from entering into our system but it also helps warm up and humidify the air we breathe in during respiration for our lungs. Our lung tissue are very sensitive, so during winter the air is dry and cold so the membrane increases the fluid production to cope with this situation.
Reference : Care2Cure Physiotherapy Ottawa
When we breathe in, our noses warm the air and add moisture to it as it travels down into our lungs. Cold, dry air irritates you手机500彩票客户端r nasal lining, and as a result, you手机500彩票客户端r nasal glands produce excess mucus to keep the lining moist. ... A runny nose is one of the most typical symptoms of the common cold.
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