You are not an athlete and you are not physical fit. If you suddenly partake in physical exercise, then the increased demands of such vigorous exercise on your body are met primarily by:

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    a. increased stroke volume.
    b. increased heart rate.
    c. increased blood volume.
    d. all of a., b., and c. above are correct.
    e. only b. and c. above are correct.
asked May 27, 2013 in Anatomy & Physiology by anonymous

1 Answer

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b. increased heart rate.
answered May 28, 2013 by NewSky ~Expert~ (2,450 points)

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