The number of beats per minute. Normal resting heart rates are variable with age, sex, size and overall cardiovascular condition. Heart rate can be determined by taking the pulse.
Normal value for resting heart rate:
newborn infants; 100 to 160 beats per minute
children 1 to 10 years; 70 to 120 beats per minute
children over 10 and adults; 60 to 100 beats per minute
well-trained athletes; 40 to 60 beats per minute