748
UNIT FIVE
Thyroid cartilage
Cricoid cartilage
Clavicle
Scapula
Superior (upper)
lobe of right lung
Middle lobe
of right lung
Inferior (lower)
lobe of right lung
Rib cartilage
Sternum
Superior (upper)
lobe of left lung
Inferior (lower)
lobe of left lung
Trachea
FIGURE 19.19
Location of the lungs in the thoracic cavity.
FIGURE 19.20
The potential spaces between the pleural membranes, called the left and right pleural cavities, are shown here as actual spaces.
Right lung
Pericardial
cavity
Heart
Left pleural
cavity
Parietal
pleura
Visceral
pleura
Left lung
Plane of
section
Right pleural
cavity
Pericardium
Pleura
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