The average heartbeat per minute in a normal man is...
B
Correct answer
Explanation
The normal resting heart rate for adults is 60-100 beats per minute, with 72 bpm often cited as the average. A rate of 70 bpm falls within this healthy range. Rates of 50 bpm (borderline bradycardia), 80 bpm (normal but high), and 100 bpm (tachycardia threshold) are less representative of the average.