keeps the trachea open when the head is bent or turned
support the nasal cavities
THE BRONCHIOLES
the bronchioles
Cartilage in the respiratory system (usually found in the trachea and some small amounts in the bronchi), is to act as a way to keep the passageways open.
A bone related substance that is in the respiratory system is hyaline cartilage, especially in the trachea and bronchi.
bronchials
epiglottis
hyaline cartilagehyaline cartilage
The respiratory system brings oxygen into the body.
Nothing
no
respiratory
it is basically serving as the gill in the respiratory system