It is found in the upper throat and is referred to as the Epiglottis.
It's purpose is to close over your throat as you're eating to stop food going to your lungs
Tracheal rings, Trachea
tranchea
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.
THE BRONCHIOLES
the bronchioles
A bone related substance that is in the respiratory system is hyaline cartilage, especially in the trachea and bronchi.
bronchials
epiglottis
The cartilage is found between all joints
The cartilage is found between all joints
hyaline cartilagehyaline cartilage
The lungs. The bronchioles are the first airway branches that no longer contain cartilage. They are branches of the bronchi, and are smaller than one millimeter. http://en.wikipedia.org/wiki/Bronchiole The lungs are in the respiratory system. They are used in the processing of oxygen in the body. The bronchioles are the first airway branches that no longer contain cartilage. They are branches of the bronchi, and are smaller than one millimeter.
Fibrin is found in the Circulatory System.
bronchioles