Q.How is oxygen and carbon dioxide transported in human beings
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Respiration is the process through which living organisms take in oxygen and give out carbon dioxide to release energy. The transport of gases during respiration, both oxygen and carbon dioxide are carried out by the blood cells. ...
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they is taken in by nostrils and goes tho the lungs via the trachea. from there they are sent to the heart where they are absorbed in the blood and hence circulated across the full body.
O2 is absorbed in the heart by blood and CO2 is sent back to lungs for expulsion....
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