Why is oxygen important for all body cells?

It is needed for cellular respiration. Which is the process of Oxygen breaking down Glucose to provide energy for all cells

Your body cells use oxygen you breathe to get energy from the food you eat. Our body cells require oxygen to release energy. The oxygen we take in during respiration is used to break down the food we eat to release energy from it. When we breathe in oxygen, it diffuses into blood from the lung aleovolo. The main

Explanation:

the main job of red blood cells or erythrocytes is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product away from the tissues and back to the lungs ... Hemoglobin (Hgb) is an important protein in the red blood cells that carries oxygen from the lungs to all parts the body