Which of the following correctly describes the movement of the ribs and diaphragm necessary to cause an inhalation of air?

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    rib cage is depressed and the diaphragm relaxes
    rib cage is elevated and the diaphragm relaxes
    rib cage is elevated and the diaphragm contracts
    rib cage is depressed and the diaphragm contracts
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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rib cage is elevated and the diaphragm contracts
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)



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