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    				| 1. | Describe The Double Circulation In Human Beings. Why Is It Necessary?? | 
| Answer» Double circulation in human beings allows the separation of OXYGENATED and deoxygenated BLOOD in the body. It HELPS in maintaining a high blood pressure required for essential processes. It enables pure blood to REACH the different tissues and organs of the body like kidney, liver, etc. 3.Explanation:HOPE it helps you | |