7. The following questions refer to the main bronchi.
Which is longer? Larger in diameter? More horizontal?
Which more commonly traps a foreign object that has entered the respiratory passageways?
8. Appropriately label all structures provided with leader lines on the model shown below.
9. Trace a molecule of oxygen from the nostrils to the pulmonary capillaries of the lungs: Nostrils

7 The following questions refer to the main bronchi Which is longer Larger in diameter More horizontal Which more commonly traps a foreign object that has enter class=