What is the average resting heart rate for adults?
a) 60-100 beats per minute
b) 120-150 beats per minute
c) 30-50 beats per minute
d) 200-250 beats per minute
a) 60-100 beats per minute
b) 120-150 beats per minute
c) 30-50 beats per minute
d) 200-250 beats per minute