the trachea is held open by rings of cartilages
The epiglottis is a flap of cartilage that opens and closes the trachea. It is located at the root of the tongue.
The epiglottis closes the trachea when eating and drinking. After you swallow, the epiglottis re-opens the trachea and closes the esophagus.
The esophagus and trachea open into the throat and mouth.
If you talk or laugh while eating since your talking or laughing your trachea opens so that you can make sound and if you swallow something it will go down your trachea and you will choke.
The singular for trachea is "trachea". The plural is "tracheae".
No trachea is not the lung.
Trachea size
the trachea
tThe trachea ends at the bronchia which takes air from the trachea to the lungs.
That tube is the trachea.
the trachea (windpipe)
trachea leads to the lungs