Electron transport is the final stage of aerobic respiration, and aerobic respiration is an oxidative process which uses oxygen as a final electron acceptor. Given these facts, what is oxygen used as in respiration among the following options:
- heat produced
 - electron acceptor
 - photosynthesis
 - Chemical energy
 - preventing heat transfer
 - Veins and arteries.
 - it keeps an organism warm
 - It helps them survive


 

  electron acceptor       