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Describe double circulation in human beings. Name the group of animal with double circulation? How is it importantfor them?for 5marks |
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Answer» Double CIRCULATION of blood....... The left ventricle PUMPS oxygenated blood into aorta for systematic circulation. It is necessary in human being 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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