how functioning of heart is different in warm and cold blooded animals
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There is double circulation of blood in warm blooded organisms because they require more energy to maintain their body temeperature, so it is important to prevent the mixing of oxygenated and deoxygenated blood. Whereas cold blooded organisms have three chambered heart because their body temperature depends upon the environment, so they can tolerate some mixing of oxygenated and deoxygenated blood.
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