Examine one bronchus. carefully dissecting away the lung tissue with curved scissors. 

Parts of the lungs have been removed to show the branching of the air tubes or bronchi which pass into them. 

The presence of vomited matters in the trachea and bronchi is a valuable sign of drowning. 

The root of the lung. as it is called. is formed by the bronchi. two pulmonary arteries. and two pulmonary veins. 

The windpipe between the larynx and the bronchi.