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The reason the respiratory system is important is because we would not live without air. Breathing is something you need in your body. How it works is when you inhale O2, it goes through trachea, follows through bronchial & end at alveoli. --> O2 --> CO2

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13y ago
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8y ago

Because if we didn't have it we couldn't breathe and then we die
It introduces oxygen into the blood, which is carried to all body parts, providing

sustenance.

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13y ago

It is very important for acquiring energy .

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Q: Why is the respiratory system important for humans?
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