write the functions of blood ( Any two ) why does the blood appear red
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Red cells contain a special protein called hemoglobin, which helps carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs so it can be exhaled. Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin.
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blood transports oxygen and food to all parts of body.
Explanation:
blood appears red because of a content present in it called haemoglobin
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