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Body Systems › ViewWithin the lungs, gas exchange takes place between the capillaries and the __________.
A. Arteries
B. Veins
C. Alveoli
D. Capillaries
Normal Radiographic Anatomy › View
The structure pointed at by the arrow is …
A. maxillary sinus
B. superior foramina of the nasopalatine canal
C. lateral fossa
D. zygomatic process