this is a ciliated epithelium. The functions of the nasal cavity are: heating and humidification of the inhaled air due to intensive blood supply and secretion of the mucous membrane of the nasal passages, as well as cleaning it of dust and microorganisms due to the presence of ciliated epithelium lining the nasal cavity. The cilia of the ciliated epithelium constantly fluctuate in the direction of the nostrils.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.