有关研究表明，多多锻炼身体使心脏跳动更快，使肺部功能更强，就可大大加强心脏功能，减少心力衰竭的可能性，同时有助于降低血压。

Research shows that getting plenty of exercise make the heart beat faster and the lungs work harder. This strengthens the heart, reduces the chance of heart attack, and helps lower blood pressure.

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有关研究表明，足够的锻炼可以使心脏跳动更快，使肺部功能更强，这样可以大大加强心脏功能，降低心脏病发作的可能性，同时，有助于降低血压。

Research shows that getting plenty of exercise makes the heart beat faster and the lungs work harder. This strengthens the heart, reduces the chance of heart attack, and help lower blood pressure.

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高山上的空气含氧量小于比低海拔地区，所以呼吸时心脏会跳动地更快，身体也会消耗更多能量。

Mountain air contains less oxygen than air at lower altitudes, so breathing it causes the heart to beat faster and the body to burn more energy.

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