Which structure does air pass through immediately after the larynx?

• A. Nasal cavity
• B. Pharynx
• C. Trachea
• D. Bronchi

Answer: (C)

After air passes through the larynx, it moves directly into the trachea. The trachea, often referred to as the windpipe, serves as the next conduit for air on its way to the bronchi and subsequently to the lungs. It plays a crucial role in maintaining an open airway, as it is reinforced with cartilaginous rings that prevent collapse during breathing.

The larynx acts as a gateway, specifically designed for air passage and also functions in vocalization. Once air has been processed through the larynx, it is guided into the trachea where it continues its journey into the bronchial tree. Understanding this sequential order is essential, as it highlights how the respiratory system is structured efficiently for air transport and for protecting the airway against obstruction.