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How do the respiratory and circulatory systems work together?

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Answer:

i did it on khan academy :)

How do the respiratory and circulatory systems work together?-example-1
User Behzad Babaei
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The respiratory system brings air into the lungs supplying the blood with oxygen. Oxygen is carried throughout the body to the organs and keeps the heart pumping and when the blood circulates back to the lungs the process starts over again.
User Mark Robbins
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