Which statement about human breathing is true?
A) The volume of the thoracic cavity does not change.
B) You contract all your intercostal muscles to help expel air from your lungs.
C) You relax your diaphragm when you breathe in.
D) For a person at rest,less energy is expended for exhalation than for inhalation.
E) The thoracic cavity contracts during inhalation.
Correct Answer:
Verified
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