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1. The veins in the hand are responsible for carrying blood away from the fingers.
手部的静脉负责将血液从手指运走。
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2. The arteries in the arm provide oxygenated blood to the muscles.
手臂中的动脉为肌肉提供含氧的血液。
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3. The veins in the leg help to return deoxygenated blood back to the heart.
腿部的静脉帮助将缺氧的血液返回心脏。