Answers

2016-06-20T22:34:54+08:00
Circulatory system (Blood) takes the non oxygenated blood to the respiratory system (lungs) and takes the carbon dioxide from the non-oxygenated blood and the person exhales it. And the person inhales and converts the non-oxygenated blood to oxygenated blood and the Circulatory system delivers the oxygen to the other parts of the body.
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