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1.The arteries in the lungs are responsible for delivering oxygen to the bloodstream.
肺部的动脉负责将氧气输送到血液循环中。
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2.The arteries in the heart are responsible for delivering nutrients to the muscles.
心脏中的动脉负责将营养物质输送到肌肉中。
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3.The arteries in the brain are responsible for delivering oxygen and nutrients to the brain cells.
大脑中的动脉负责将氧气和营养物质输送到脑细胞中。