PATHOLOGY

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: -Tiny hairs called cilia (pronounced: SIL-ee-uh) protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air.

Detailed explanation-3: -The nose is also lined with tiny hairs (called cilia). The cilia clean dirt and dust from the air before it passes into the throat and lungs. The mouth does not warm and moisturize the air as well as the nose does. The mouth also does not have cilia to filter out the dirt and dust.