In glycolysis, as in all the stages of cellular respiration, the transfer of electrons from electron donors to electron acceptors plays a critical role in the overall conversion of the energy in foods to energy in ATP. These reactions involving electron transfers are known as oxidation-reduction, or redox, reactions.

Drag the words on the left to the appropriate blanks on the right to complete the sentences.
1) Oxidized
2) Reduced
3) Glucose
4) Pyruvate
5) NAD⁺
6) NADH