SUBDIVISION
FUNCTION
Cleanse, warm, moisten, and test
(1) SUPRALARYNGEAL STRUCTURES
inflowing air
(su-prah-lah-RIN-je-al)
Controls the volume of inflowing air;
(2) LARYNX (voice box)
produces selected pitch(vibration
(LARE-inks)
Distribute air to the alveoli of the lung
(3) INFRALARYNGEAL STRUCTURES
where the actual external respiration takes
(in-frah-lah-RIN-je-al)
place
Table 7-1. The main subdivisions of the respiratory system.
7-3. SUPRALARYNGEAL STRUCTURES
See figure 7-2.
Figure 7-2. Supralaryngeal structures.
MD0006
7-4