Thoracic wall and lungs remain in close apposition because of
A) the intrapleural fluid's cohesiveness.
B) the intraaveolar pressure.
C) the atmospheric pressure.
D) the transmural pressure gradient.
E) the combination of intrapleural fluid cohesiveness and the transmural pressure gradient.
Correct Answer:
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Q14: The most complex respiratory system among vertebrates
Q15: In birds and mammals, the surface area
Q16: Air capillaries are found in
A) mammals.
B) reptiles.
C)
Q17: In contrast to mammals, the lungs of
Q18: Respiration in birds differs from mammals in
Q20: In birds, one breathing cycle is made
Q21: During inspiration in mammals the
A) external intercostal
Q22: During passive expiration
A) diaphragm relaxes.
B) external intercostal
Q23: As inspiration begins, the intra-alveolar pressure is
A)
Q24: The intrapleural pressure
A) falls before inspiration.
B) falls
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