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1
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hollow organ and maintains pump for the blood circulation
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2
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responsible for transporting blod and getting rid of waste
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3
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the beating sound in your heart comes from______ closing
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5
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muscular and elastic walled vessel that carries blood from the heart through the body
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6
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the blood carries what type of fluid through the body to help main tain normal body temperature
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10
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how many systems does the circulatory system work with
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11
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tube forming blood circulation and carries oxygen
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12
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whos heartbeat is the fastest
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