which structure is also called the windpipe?\no the pharynx\no the larynx\no the trachea\no the bronchus

Brief Explanations:

The trachea is the anatomical structure commonly known as the wind - pipe. It is a cartilaginous and membranous tube that connects the larynx to the bronchi of the lungs, allowing the passage of air. The pharynx is part of the upper respiratory and digestive tracts, the larynx contains the vocal cords, and bronchi are the branches of the trachea in the lungs.

Answer:

the trachea