Question

How is oxygen used up by the body?​

Answer 1

Answer:

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. Once the red blood cells return to the lungs, the "burnt" carbon dioxide is exhaled.

Answer 2

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. Once the red blood cells return to the lungs, the "burnt" carbon dioxide is exhaled)

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