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Determine the Cardio-vascular System
Cardio-vascular system consists of a heart and blood vessels. The function of cardio- vascular system is to maintain blood supply to all tissues of our body. To some extent our cardio-vascular system can be compared with water supply in our cities and towns. For water supply we need a pumping machine which can be compared with our heart and lot of big and small pipes which can be compared with our vascular tree.
Before we proceed to know about cardio-vascular system, we should have some knowledge about blood and blood vessels.
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