The lungs contain:
A) mostly smooth muscle
B) only cartilage
C) no elastic tissue
D) about 500 million alveoli
E) none of the above
Correct Answer:
Verified
Q13: During inspiration,
A) intra-alveolar pressure falls below atmospheric
Q14: Which activity below is not a respiratory
Q15: Which of the following pressure (mm Hg)
Q16: When intra-alveolar pressure becomes greater than atmospheric
Q17: The inspiratory muscles include the
A) diaphragm and
Q19: Which of the following is the last
Q20: The lungs are held against the thoracic
Q21: Which factor would result in bronchoconstriction?
A) sympathetic
Q22: When blood flow to an area of
Q23: When the level of blood flow is
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