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Consider the roles of valves and blood vessel walls in moving blood through the body. If you were given a piece of flexible tubing and a small piece of plastic, how might you design a simple model that would simulate those roles?

Respuesta :

The tube is like a blood vessel, and the plastic is just like the valves. The plastic piece in the tube opens when the water flows in the correct direction and close when water backflows. I hope that this is the answer that you were looking for and it has helped you.

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