What substances are used up as the reactants in cellular respiration?What substances are used up as the reactants in cellular respiration?

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11

The  correct answer should be a waste

Ithink its c hope it : )