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Biology, 22.11.2019 23:31 brainy51

What do the rib muscles and diaphragm have in common?

a) both aid in the expansion and relaxation of lungs.
b) both produce red blood cells that carry oxygen.
c) both filter air before it is delivered to the body’s cells.
d) both deliver carbon dioxide to the surrounding muscle tissue.

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What do the rib muscles and diaphragm have in common?

a) both aid in the expansion and...
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