Our nose is one of the few parts of our body that has a lot of nerves and blood vessels in it. It is often exposed to pollutants such as dirt and smoke. In response, the nose produces mucus to filter these pollutants before they reach the airways and the lungs. Aside from the mucus, the nasal passage also has tiny hairs (cilla) growing inside the lining of the passageway. […]

Categories: Health
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