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| Q. |
A normal heart rate in an adult at rest is |
| A. | 110 |
| B. | 125 |
| C. | 60 |
| D. | 75 |
| Answer» D. 75 | |
| Explanation: A normal resting heart rate for an adult ranges from 70-85 beats a minute. Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness. | |
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