Answer the following question: Fact 1: Electron transport is the final stage of aerobic respiration. Fact 2: Long distance running, swimming, bicycling, and aerobic activity rely on endurance. Given the two facts above, long distance running involves transport of?

Select from the following.
(1). heat energy
(2). electrons
(3). heat produced
(4). loose dirt
(5). Energy
(6). Energy.
(7). Weight
(8). movement
Answer:
(2).