Health, 12.12.2019 17:31 nicollexo21
What is the function of the valves within the heart and veins? to ensure the production of blood within the body. to ensure coordination of the heart cells for pumping blood. to ensure that foreign materials do not enter the heart. to ensure that blood flows in one direction only.
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What is the function of the valves within the heart and veins? to ensure the production of blood wi...
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