ANATOMY

Detailed explanation-1: -In the trachea’s inner layer, you have small, hair-like structures called cilia. Cilia move in rhythm to push mucus out of your trachea so that you either expel or swallow it. Between each ring of cartilage in your trachea, you have a muscle called the trachealis.

Detailed explanation-2: -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-3: -The trachea is also lined with cilia, which sweep fluids and foreign particles out of the airway so that they stay out of the lungs.

Detailed explanation-4: -The respiratory system includes the nose, mouth, throat, voice box, windpipe, lungs, and diaphragm.

Detailed explanation-5: -The area where the nose and throat meet is called the nasopharynx.