why it is it necessary to separate oxygenated and deoxygenated blood in mammals and birds
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t is necessary in mammals and birds to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.
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because they have a routine of co2 and o2 inhalation and exhalation if both are mixed they caused more difficult problems
and they are warm blooded so by this maintenance the body temperature
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