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Name: __________________________________________________________ Date: ______________________________
• Nasopharynx
• Oropharynx
• Primary bronchi
• Trachea
Word bank:
• Alveoli
• Bronchi
• Laryngopharynx
• Lungs
• Nasal cavity
The ______________________________ is composed of the chambers of the internal nose that function
as a part of the upper respiratory system.
The ______________________________ is the most posterior part of the pharynx. It is shared by the
respiratory system and the digestive system. The upper respiratory and upper digestive tracts
diverge right after this structure. The front of this structure merges with the triangular entrance
of the larynx.
The ______________________________ conveys air between the upper and lower respiratory
structures.
The ______________________________ is a portion of the pharynx that begins at the rear of the nasal
cavity and functions as an airway in the upper respiratory system. Its cavity always stays open,
unlike the other parts of the pharynx.
The ______________________________ are two organs that are responsible for gas exchange.
The ______________________________ are the major airways of the lower respiratory system.
The ______________________________ are the main sites of gas exchange, where oxygen is brought
into the bloodstream and carbon dioxide is removed.
The ______________________________ is a portion of the pharynx that is shared by the respiratory
system and the digestive system. It functions as an airway in the upper respiratory system.
The ______________________________ are the major airways of the lower respiratory system. They link
the trachea with the right and left lungs. They are wrapped in rings of hyaline cartilage, and their
interiors are lined with mucous membrane.
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