Literally nothing
Windpipe.
Windpipe is one word.
"Trachea"
Any pipe that carries wind or air, or in human terms, the trachea.
One word; 'windpipe'.
Another word for the windpipe is the trachea. It is a tube that connects the throat (pharynx) to the lungs, allowing air to pass in and out during respiration. The trachea is an essential part of the respiratory system.
The root word for "trachea" is from the Greek word "tracheia," meaning "rough" or "windpipe."
The windpipe.
The windpipe carrys air.
Pain in your windpipe area.
the windpipe
They have hair (cilia) which cleans your windpipe.