What is the similarity between the transportation of CO2 a and O2 in the human body
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The haemoglobin pigment present in the blood gets attached to O2 molecules that are obtained from breathing and thus forms oxyhaemoglobin . This oxygenated blood is then distributed to all the body cells by the heart. ... This deoxygenated blood gives CO2 to lung alveoli and takes O2 in return.
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