Which of the following statements about breathing is/are true?
A) Respiration consists of inspiration and expiration.
B) Muscle action decreases pressure in the sealed pleural cavities by enlarging the volumes of the pleural cavities.
C) Lower pressure in the sealed pleural cavities causes higher pressure from outside to fill the lungs with air.
D) A and B
E) A, B, and C
F) A and C
Correct Answer:
Verified
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B)
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