The heart of a healthy man beats normally per minutes
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60 - 70 times
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70 - 80 times
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80 - 90 times
-
85 - 90 times
B
Correct answer
Explanation
A healthy adult human heart rate is 72 beats per minute on average, with the normal resting range being 60-100 bpm. The 70-80 range is the most typical for healthy adults at rest. Rates below 60 suggest bradycardia, while rates above 100 at rest indicate tachycardia. Athletes often have lower resting rates (50-60) due to cardiovascular conditioning.