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What are the tubelike structures that carry blood throughout the body?

Arteries

Arteries are the correct answer to this question because they are the tubelike structures that carry blood away from the heart to various parts of the body. Arteries have thick, muscular walls that help them withstand the high pressure of blood being pumped out of the heart. While blood vessels, capillaries, and veins all play important roles in the circulatory system, arteries specifically carry oxygen-rich blood away from the heart to keep the body's tissues and organs nourished and functioning properly.

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Blood vessels

Capillaries

Veins

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