what is the normal range of respiration
Average respiratory range by age is given below: 1  Newborns â Average 44 breaths per minute. 2  Infants â 20-40 breaths per minute. 3  Pre school children â 20-30 breaths per minute.  Older children â 16-25 breaths per 1  minute. Adults â 12-20 breaths per minute.  Adults during strenuous exercise â 35-45 breaths per minute.