Warmed and humidified inspired air continues its journey from the larynx into the lower respiratory tract (see the first part of this four-part series) and passes next through the trachea. Subscribe ...

Part of Biology (Single Science) Cells, organ systems and ecosystems The air that enters the nasal cavity flows down the trachea. The trachea has a number of adaptations: cartilage rings in the walls ...

The trachea is a tube-like structure in the neck and upper chest. It stretches from the larynx, or voice box, to the bronchi and transports air to and from the lungs when a person breathes. When a ...