The external intercostal muscles pull the ribs:
A) up and out, for inhalation
B) up and down, for exhalation
C) in and down, for exhalation
D) down and out, for inhalation
Correct Answer:
Verified
Q39: During breathing, friction between the pleural membranes
Q40: The serous membrane that lines the chest
Q41: The internal intercostal muscles pull the ribs:
A)out
Q42: The pulmonary capillaries are made of simple
Q43: The air pressure outside the body is
Q45: Which statement is NOT true of the
Q46: Intrapulmonic pressure is the pressure:
A)of the air
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
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