With which other system do specialized respiratory systems most closely interface in exchanging gases between the cells and the environment?

0 votes
    the excretory system
    the nervous system
    the skin
    the circulatory system
    the muscular system

asked May 30, 2013 in Biology by anonymous
    

1 Answer

0 votes
the circulatory system
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)



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