When a person sees a doctor about a respiratory illness, the doctor will want to determine if the sickness is in the
upper respiratory tract or the lower respiratory tract. The starting point for the lower respiratory system is the
trachea.
Which structures are part of the upper respiratory system? Select three options.
the larynx
0
the bronchus
the alveoli
the lungs
the pharynx
The nose
The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat (pharynx), and voice box (larynx)
