Answers

2016-01-12T21:32:30+05:30
We can take our circulatory system as a piped tree with our heart as the pump and the arteries the main pipe carrying fresh blood to different parts of body. When it needs to divide to different zones so the main pipe divides in smaller tubes which when reach a specific part of the body sub-divides to smaller tubes bringing blood to different parts of the organ.

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