epiglottis
The trachea is made of C shaped rings of cartilage, this maintains the shape of the trachea.
The trachea is maintained in an open position by C-shaped rings of hyaline cartilage along its walls. These rings provide structural support to prevent collapse during breathing while allowing flexibility for movement and expansion.
The singular for trachea is "trachea". The plural is "tracheae".
The epiglottis is the flap of tissue that prevents food and liquid from entering the windpipe (trachea) when you swallow. It acts like a lid over the windpipe, directing food and liquid down the esophagus to the stomach.
Nasal patentency refers to lack of nasal obstruction; a patent nostil means there is nothing occluding the airway like a nasal polyp --> nasal airway is clear is it is patent
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