Answer :
Final answer:
Option D. To determine your maximum heart rate, you should subtract your age from 220.
Explanation:
To determine your maximum heart rate, you should use the formula: 220 - Your Age. To explain, heart rates usually range from 200-220 beats per minute (bpm). As you age, the ability to reach maximum heart rates decreases. So, by subtracting your age from 220, which is the maximum bpm for a healthy heart, you can estimate your own maximum heart rate. For instance, a 40-year-old would have a maximum heart rate of about 180 bpm.
It's important to note that heart rates can vary significantly, influenced not only by age but also by exercise and fitness level. Regular exercise can enhance the efficiency of the heart and potentially influence the maximum heart rate. The difference between maximum and resting heart rates is known as the cardiac reserve, which measures the heart's extra capacity to pump blood.
Researchers have observed that top cardiovascular athletes can achieve very high heart rates during peak performance, showing the incredible capacity of the heart during strenuous activity.
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