Select your answer:
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Orthopedic Surgeon › ViewHow long is residency?
A. 3 years
B. 5 years
C. 7 years
D. 4 years
Pulmonology › View
Air entering the body is filtered, warmed, and humidified by the
A. upper (conducting) portion of the respiratory tract.
B. lower (respiratory) portion of the respiratory tract.
C. lungs
D. alveoli
E. bronchi