Bronchi
The branching tubes within the lungs end at small alveoli.
Bronchoscope.
Primary broncioles.
The Primary Bronchi.
They are called Fallopian tubes
The two branching tubes in the respiratory system are the bronchi. They are branches of the trachea.
tracheal system
tracheal system
there are no 'tubes' as such in your heart; they are called chambers. the two chambers at the top are called atria and the two at the bottom are called ventricles. :D
false
tracheal system