During inhalation, the diaphragm:
A) contracts and moves downward
B) contracts and moves upward
C) relaxes and moves downward
D) relaxes and moves upward
Correct Answer:
Verified
Q47: Any pathogens or air pollution that reach
Q48: The air pressure within the bronchial tree
Q49: The function of pulmonary surfactant is to:
A)decrease
Q50: Which statement is NOT true of the
Q51: The muscles of inhalation are the:
A)diaphragm and
Q53: During exhalation, the diaphragm:
A)contracts and moves downward
B)contracts
Q54: Inflation of the alveoli is made possible
Q55: The diaphragm is made of _ and
Q56: If surfactant were not produced, how would
Q57: Pulmonary surfactant is produced by:
A)pulmonary capillaries
B)the pleural
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