The actual sites of gas exchange within the lungs are
A) bronchioles.
B) alveolar ducts.
C) pleural spaces.
D) alveoli.
E) terminal sacs.
Correct Answer:
Verified
Q11: Ventilation is also known as
A) breathing.
B) inspiration.
C)
Q12: Which of the following features of the
Q13: The upper respiratory tract includes all EXCEPT
Q14: The lungs are enclosed in _ membranes.
A)
Q15: Surfactant
A) protects the surface of the lungs.
B)
Q17: The lower respiratory tract includes
A) all of
Q18: Air moves into the lungs because
A) the
Q19: When the diaphragm and external intercostal muscles
Q20: The airway between the larynx and the
Q21: In the lungs, the
A) blood flow rate
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