lilyamiikhrith lilyamiikhrith

13-03-2017
Chemistry

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Which body systems help to exchange oxygen and carbon dioxide?

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13-03-2017

Cardiovascular system

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Аноним Аноним

13-03-2017

The function of the respiratory system is to exchange two gases: oxygen and carbon dioxide. The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.

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