Almost all of the oxygen (O₂) one consumes in breathing is converted to: A) acetyl-CoA. B) carbon dioxide (CO₂). C) carbon monoxide and then to carbon dioxide. D) water. E) None of the answers is correct.

Question

Quizplus · Accepted Answer

The majority of the oxygen consumed in breathing is used in the electron transport chain during cellular respiration, where it acts as the final electron acceptor and is converted to water.

Almost All of the Oxygen (O2) One Consumes in Breathing

Almost All of the Oxygen (O₂) One Consumes in Breathing