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Anatomy Respiratory System › ViewThe part of the respiratory system containing the nasal cavity, paranasal sinuses, & pharynx.
A. Lower respiratory tract
B. Upper respiratory tract
C. Ventilation
D. Pneumothorax
Respiratory System › View
This is a tube about 12cm long with c-shaped rings of cartilage to keep it open
A. Nasal cavity
B. Trachea
C. Mouth Cavity
D. Pharynx