Question

Hi again. A question about the digestive system. How does the digestive system help the circulation system to function properely? I was thinking that the answer would be that...
Because the function of the digestive system is a chemical and physical breakdown of food into molecules small enough to pass into cells, and the circulation system transports these nutrients and dissolved gasses, I am thinking that they need each other. The digestive system works first and then the circulation system transports the broken down food. Is this correct?

Thanks

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