daisyfleur
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explain why having only one ventricle makes the circulatory system less efficient than having two ventricles

about the axolotl
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RM_Asclepius
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Because the double circulatory system means that oxygenated blood and deoxygenated blood do not mix and therefore only oxygenated blood is pumped to the body tissues and only deoxygenated blood is pumped to the lungs. If a mixture of oxygenated and deoxygenated blood were pumped to the tissues, less oxygen would be delivered to them.
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