Question

Why do body cells required excygen!​

Answer 1

Answer:

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Explanation:

(We breathe because oxygen is needed to burn the fuel [sugars and fatty acids] in our cells to produce energy.) ... (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.

Answer 2

Answer:

• Every cell in your body needs oxygen to function.
• Your body cells use the oxygen you breathe to get energy from the food you eat.
• This process is called cellular respiration.
• During cellular respiration the cell uses oxygen to break down sugar.

Explanation:

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