Question

why oxgyen is needed for human body​

Answer 1

We breathe because oxygen is needed to burn the fuel [sugars and fatty acids] in our cells to produce energy.) What happens in the process of respiration? (Oxygen is brought into the lungs via breathing, where it is transported by red blood cells to the entire body to be used to produce energy.

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Answer 2

Answer:

We breathe because of oxygen is needed to born the fuel( fats and sugar) in our cell to produce energy.

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