Why do organisms (like humans) need oxygen?

1 Answer
Dr Birendra Kumar Mishra
Dec 25, 2016

For release of enegy.

Explanation:

Oxygen helps in the process of oxidation of gluose into carbon dioxide and water. It is known as aerobic respiration. During this process of oxidation energy is released, which is storedin the APT molecules. The ATPs are the future reseve energy for all the vital works of the organisms. Thank You

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