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(A) Arteries are the blood vessels that carry oxygenated blood away from the heart to various parts of the body (except the pulmonary artery).Because

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They have thick elastic walls without valves inside,blood flows under high pressure and carry blood away from the heart to different parts of the body.

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(A) Arteries are the blood vessels that carry oxygenated blood away from the heart to various parts of the body (except the pulmonary artery).Because the blood is pumped directly from the heart,it flows under high pressure.To withstand this high pressure,arteries have thick,elastic walls.Unlike veins,arteries do not have valves inside because the high pressure ensures the blood flows in only one direction.

Choose the correct statement that describes arteries.

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