GROSS ANATOMY

Detailed explanation-1: -Hairlike structures called cilia line the mucous membrane and move the particles trapped in the mucus out of the nose. Inhaled air is moistened, warmed, and cleansed by the tissue that lines the nasal cavity.

Detailed explanation-2: -Columnar epithelium lines the nasal cavity. This type of epithelial lining also secretes mucus that coats the lining and helps with the mucociliary clearance of minute aerosolized particles that become trapped in the nasal mucosa.

Detailed explanation-3: -The nasal cavity lies above the bone that forms the roof of the mouth and curves down at the back to join the throat. It is divided into two sections called nasal passages. Air moves through these passages during breathing. The nasal passages filter and warm the air, and make it moist before it goes into the lungs.

Detailed explanation-4: -Nasal hair is the hair inside the nose. It is one of the body’s first line of defence against harmful environmental pathogens such as germs, fungus, and spores that are inhaled. Another purpose of nasal hair is to provide additional humidity to the inhaled air.

Detailed explanation-5: -The hair and mucus that are present inside the nose filter the air that goes into the lungs. That is, these stop the germs and dust from entering into our body.