Multiple Choice
Which statement regarding respiration is true?
A) The sternocleidomastoid muscle elevates the rib cage.
B) Internal intercostal muscles elevate the rib cage.
C) The rectus abdominis muscle elevates the rib cage.
D) The external intercostal muscles lower the rib cage.
E) Elevation of the rib cage decreases the volume of the thoracic cavity.
Correct Answer:
Verified
Correct Answer:
Verified
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