When an individual is exercising heavily and when the muscle becomes oxygen-deprived, muscle cells convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells

Here is the complete question

When an individual is exercising heavily and when the muscle becomes oxygen-deprived, muscle cells convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells?

A. It is converted to NAD+.

B. It produces CO2 and water.

C. It is taken to the liver and converted back to pyruvate.

D. It reduces FADH2 to FAD+.

E. It is converted to alcohol.

Answer

C. It is taken to the liver and converted back to pyruvate

the answer is c. it will give up it's valence electron to the other atom.