During Heavy Exercise,all of the Following Increase Except
A)Minute Ventilation $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$

During heavy exercise,all of the following increase except

A) Minute ventilation
B) Arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$
C) Oxygen delivery to muscles
D) Oxygen extraction by muscles
E) Body heat production