What is the function of the trachea?

The trachea then divides into two smaller tubes called bronchi: one bronchus for each lung. The trachea is composed of about 20 rings of tough cartilage. The back part of each ring is made of muscle and connective tissue. Moist, smooth tissue called mucosa lines the inside of the trachea. read more

The main function of the trachea is to provide air flow to and from the lungs. The trachea is a tube about 10 cm long and 20 mm in diameter. It starts at the larynx and runs to just below the sternum, where it divides into the left and right bronchi of the lungs. Functions of the trachea 1. read more