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| 1. |
Differntiate between single and double circulation found in vertebrates |
| Answer» \tSingle CirculationDouble Circulation 1.\xa0In this type of blood circulation which the blood passes through the heart only once during a complete circulation of the body.\xa01.\xa0In this type of blood circulation in which the blood passes through the heart two times during a complete circulation of the body.2.\xa0Occurence: Only in fishes. 2.\xa0Occurence: Only inamphibians, reptiles, birds and mammals.\xa03. Nature of the blood: only venous blood passes through the heart.3. Nature of the blood: Mixed or oxygenated blood passes through the heart.4. It is less efficient mode of circulation.4. It is more efficient mode of circulation.\t\xa0 | |