Glycolysis is a body process which involves: a.the passage of water through a semipermeable membrane b.the division of the nucleus of a body cell c.the maintenance of a constant body environment d.the initial breakdown of glucose to pyruvic acid
"d. the initial breakdown of glucose to pyruvic acid" is correct. This process releases "free energy" which is needed to create things like ATP, which is in turn extremely essential to the functioning of the human body.