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2015-06-03T22:44:44+08:00

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The respiratory system is a set of organs that allows a person to breathe and exchange oxygen and carbon dioxide throughout the body.
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2015-06-04T09:19:40+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Respiratory system is a system consist of specific organs include the  lung, trachea, bronchioles, bronchi, and alveoli, they help together to distribute and transport the oxygen that is essential for the cells . and they assist to released the waste product in the tissue. "carbon dioxide" . ..........

Remember that respiratory system is the exchanging of gas throughout the body.
.....oxygen and carbon dioxide ......
when you inhale oxygen goes in
when you exhale carbon dioxide released..
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