7. Which substance is responsible for the transport of oxygen in the body?
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Hemoglobin (Heme + Globin) The protein hemoglobin is a molecule which is responsible for carrying almost all of the oxygen in the blood. It is composed of four subunits, each with a heme group plus a globin chain. The heme group is composed of a porphyrin ring which contains an iron (Fe) atom in its center.
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haemoglobin is responsible
it is carried by rbc
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