Physiology of Adolescence

CardiovascularPulseThere are many reported studies of pulse rate during the period of growth, but only representative ones are chosen to illustrate the apparent changes that occur in adolescence.120 121 122 123 Comparative analysis from the studies reported over the past fifty years is difficult since the pulse was determined under basal conditions in some121 , 122 and random measurements were made in others.123 Rather than dissect the reasons for differences in the various data it would be more profitable to note the trends in pulse rate.It is clear that the pulse rate drops from a high of 135 to 140 beats per . . .