The main stimulus for increasing the breathing rate and depth of the lings involves:

0 votes
    a decrease in body temperature.
    a decrease in the level of oxygen in the blood.
    an increase in blood pH.
    an increase in the level of carbon dioxide in the blood.
    an increase in the level of oxygen in the blood.
asked May 27, 2013 in Anatomy & Physiology by anonymous
    

1 Answer

0 votes
an increase in the level of carbon dioxide in the blood.
answered May 28, 2013 by NewSky ~Expert~ (2,450 points)



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