BoofusMan
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Explain how the cardiovascular and respiratory systems work together to deliver oxygen to the body.

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GodricSalvatore
When you breathe in, your respiratory system receives fresh oxygen. The oxygen first goes into your lungs and then into the left side of your heart. It is then pumped by the heart into your bloodstream.

Answer:

When you breathe in, your respiratory system receives fresh oxygen. The oxygen first goes into your lungs and then into the left side of your heart. It is then pumped by the heart into your bloodstream.

Explanation:

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