What is the trachea?

Answer 1

To transport air into the lungs and ultimately the alveoli.

Answer 2

It is part of the inside of your throat. The trachea is the tube that brings air into the lungs, commonly called the windpipe.

The trachea is the rubbery tube that connects the nose and mouth to the lungs, and is an important part of the vertebrate respiratory system. When an individual breathes in, air flows into the lungs for respiration through the windpipe. Because of its primary function, any damage incurred to the trachea is saidto be a serious medical risk .

The trachea is made of cartilage.
The trachea, or windpipe, is the bony tube that connects the nose and mouth to the lungs, and is an important part of the vertebrate respiratory system.
The trachea is a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs; the windpipe.