Answer :
When air is inhaled through the nose it will humidified.Through the nose, air enters the respiratory system. Mucus and hairs in the nasal cavity catch any airborne particles as they pass through.
Additionally, the air is warmed and moisturised to protect the lungs' sensitive tissues. Any residual particles in the air are captured by mucus in the bronchi.When you breathe in via your mouth or nose, air moves through your larynx (voice box), pharynx (back of the throat), and into your trachea (windpipe). Your trachea is separated by two bronchial tubes, which are air channels. The left lung is reached by one bronchial tube, and the right lung by the other.The nasal cavity is filled with air that enters via the nostrils of the nose and is partially filtered by the hairs of the nose. Blood veins and mucus-producing epithelial tissue line the nasal cavity, helping to warm the air and further filter it.
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