Question

Where does break down of pyruvic acid take place In lack of oxygen.

Answer 1

$\huge\underline\mathbf\red{ANSWER:}$

in the lack of oxygen the anaerobic respiration takes place and the breakdown of pyruvic acid takes place in the muscles of our body which results In the formation of lactic acid

Answer 2

in the absence of oxygen the pyruvic acid breaks down in our muscle cell to give lactic acid and energy with 3- carbon molecules.