How is blood kept moving in the large
veins of the legs?
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12
Answer:
The muscles of your body working with the one-way valves. As the muscles of your body contract and relax to move your limbs they also squeeze your veins. Whenever veins are squeezed the blood in them moves. Because of the one-way valves, the blood can only keep moving toward the heart.
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6
Explanation:
The answer is the muscles of your body working with the one-way valves. As the muscles of your body contract and relax to move your limbs they also squeeze your veins. Whenever veins are squeezed the blood in them moves. Because of the one-way valves, the blood can only keep moving toward the heart.
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