The trachea attaches directly to two tubes that lead into the lungs. These tubes are called the primary .

The trachea leads to the:*1 pointbronchiolesesophaguspulmonary vesselbronchiTrue/False - Air passes through or around the trachea, epiglottis, pharynx, and larynx to reach the lung.

Fill in the Blank QuestionFill in the blank question.The structures that arise from the trachea and supply the right and left lungs with air are called the right and left bronchi.

Goes into the lungs through tubes called main-stem bronchi:One main-stem bronchus leads to the right lung and one to the left lungIn the lungs, the main-stem bronchi divide into smaller bronchiThen the bronchi divide into even smaller tubes called bronchiolesBronchioles end in tiny air sacs called alveoli

in the respiratory tract, does the trachea have connective tissue?

What happens to the trachea, before it reaches the lungs?*1 pointIt branches in three directions.It closes up so that no oxygen can escape.It vibrates and creates soundsIt branches in two directions.