Respuesta :
Oxygen is important for all body cells because it is involved in energy-producing cycles. So, the correct option is D.
What do you mean by Cell?
A cell may be defined as a structural and functional unit of life. All living organisms are made up of cells that play numerous functions.
Oxygen helps in the conversion of food into the energy (ATP) that living organisms need for their survival.
Therefore, the correct option is D.
To learn more about Oxygen for cells, refer to the link:
https://brainly.com/question/7719956
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