Chapter 18, Problem 7RQ

During exercise, the oxygen consumption $\left({\stackrel{•}{\text{V}}}_{{\text{O}}_{\text{2}}}\right)$ of the skeletal muscles may account for more than

A. 65 percent of the total ${\stackrel{•}{\text{V}}}_{{\text{O}}_{\text{2}}}$

B. 75 percent of the total ${\stackrel{•}{\text{V}}}_{{\text{O}}_{\text{2}}}$

C. 85 percent of the total ${\stackrel{•}{\text{V}}}_{{\text{O}}_{\text{2}}}$

D. 95 percent of the total ${\stackrel{•}{\text{V}}}_{{\text{O}}_{\text{2}}}$