English, asked by harshchhabra8685, 8 months ago

Evolution of transport (circulatory) system??

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Answered by Anonymous

2

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The circulatory system has evolved over time from simple diffusion through cells, in the early evolution of animals, to a complex network of blood vessels that reach all parts of the human body. ... Made of specialized and unique cardiac muscle, it pumps blood throughout the body and to the heart itself.

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