When a muscle becomes anaerobic during strenuous exercise, why is it necessary to convert pyruvate to lactate? a. to decrease NAD and increase NADH b. to decrease NADH and increase NAD c. to...

When a muscle becomes anaerobic during strenuous exercise, why is it
necessary to convert pyruvate to lactate?
a. to decrease NAD and increase NADH
b. to decrease NADH and increase NAD
c. to increase NADH and increase NAD
d. to decrease NADH and decrease NAD
e. to keep oxidative phosphorylation running