Question and answer
Air is forced into the lungs by the contraction of the a. alveoli. c. diaphragm. b. bronchioles. d. heart.
Air is forced into the lungs by the contraction of the DIAPHRAGM.
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vchutkan|Points 6103|
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Asked 4/3/2014 7:37:57 PM
Updated 4/3/2014 11:08:13 PM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [4/3/2014 11:08:12 PM], Confirmed by jeifunk [4/3/2014 11:08:13 PM]
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