VO2 max is defined by the Fick equation as the product of maximal cardiac output times the maximal arterial-venous oxygen difference. The age-related decline in VO2 max occurs due to a
A. decline in maximal heart rate.
B. decrease in maximal arterial-venous oxygen difference.
C. decrease in maximal stroke volume.
D. All of these answers are correct.
Answer: D
Health & Biomechanics
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