average range of heart rate for adolescents
Normal values for each of these vital signs vary by age and, in some cases, by sex. Table 1. Normal Heart Rate by Age (Open Table in a new window) Table 2. Normal Respiratory Rate by Age (Open Table in a new window) The normal blood pressure in adults is 120 (systolic)/80 (diastolic). Normal blood pressure in children and adolescents varies by age. Table 3. Normal Blood Pressure by Age in Children and Adolescents (Open Table in a new window)