A shift in metabolism that breaks down pyruvic acid to lactic acid is called
A)aerobic threshold.
B)lactic acid threshold.
C)pyruvic acid threshold.
D)glycogenic thresholD.

Question

Quizplus · Accepted Answer

When the demand for energy during exercise exceeds the supply of oxygen, the body shifts to anaerobic metabolism, which breaks down glucose to pyruvic acid and eventually to lactic acid. The point at which this shift occurs is called the lactic acid threshold.

A Shift in Metabolism That Breaks Down Pyruvic Acid to Lactic