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The primary function of the respiratory system is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body. The respiratory system does this through breathing. When we breathe, we inhale oxygen and exhale carbon dioxide. This exchange of gases is the respiratory system's means of getting oxygen to the blood. The respiratory system also helps to regulate the acid-base level in the blood. lastly, the respiratory system allows us to vocalize by the movement of exhaled air through the larynx.

brings oxygen into the body

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7y ago
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keyulonihenderson

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2y ago
why can't this answer be simple
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10y ago

The respiratory system has the job of gas exchange. The gases that need exchanging are carbon dioxide and oxygen.

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keyulonihenderson

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2y ago

it bring oxygen into the body

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Q: What does the respiratory system do?
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