The process through which organisms use oxygen to break down food molecules in order to get chemical energy for cellular processes is known as cellular respiration.
The cells of animals, plants, and fungi, as well as those of algae and other protists, all engage in cellular respiration.
In order to create water, oxygen, and hydrogen establish a connection.
It produces FADH2 and NADH.
The Krebs Cycle is entered by an intermediate molecule containing the enzyme CoA.
Cells use up glucose and oxygen to make the ATP molecules necessary for the upkeep of cellular metabolism.
In the process of cellular respiration, oxygen acts as the last electron acceptor in the electron transport chain, helping electrons move through a chain and producing adenosine triphosphate (ATP).