$\mathop {Glu\cos e}\limits_{Sloted\,in\,the\,from\,\,of\,Glycogen} \xrightarrow[\begin{subarray}{l}
(does\,not\,need\,oxy.\, \\
need\,only\, \\
\,enzymes)
\end{subarray} ]{}$ $\mathop {\mathop {Pyruvic\,acid\,}\limits_ \downarrow }\limits_{Lactic\,acid} \xrightarrow{{{O_2}}}C{O_2} + {H_2}O$