You are presented with the question "Long distance running involves  transport of" and the following answer choices: 
- heat energy
 - electrons
 - heat produced
 - loose dirt
 - Energy
 - Energy.
 - Weight
 - movement

Now knowing that electron transport is the final stage of aerobic respiration and long distance running, swimming, bicycling, and aerobic activity rely on endurance, choose the best answer.


 

  electrons       