. Partial breakdown of glucose during heavy exercise produces
(a) carbon-di-oxide
(b) water
(c) lactic-acid
(d) all
Best Answer
(c)
Heavy exercise requires more energy, but as the supply of oxygen is low, muscles undergo anaerobic-respiration to produce energy. In anaerobic respiration the partial breakdown of glucose occurs producing lactic acid and energy.
.PNG)
When supply of oxygen increases the complete breakdown of lactic acid into water and carbon-di-oxide takes place.
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