Healthy breathing time
The frequency of breathing and pulse is a common index to understand the health of the body. Normal pulse and respiratory rate change with age, for example, when one year old, the respiratory rate per minute is 30 ~ 40, and the pulse per minute is120 ~140; The respiratory rate of two to four years old is 25 ~ 30 per minute, and the pulse rate per minute is100 ~120; Five to ten years old, the respiratory rate per minute is 20 ~ 25, and the pulse rate per minute is 90 ~ 100. Eleven to fourteen, the breathing rate per minute 18 ~ 20, and the pulse rate per minute is 80 ~ 90. The number of breaths per minute of adults is 16 ~ 18, and the number of pulses per minute is 70 ~ 80, which means that the younger the age, the faster the speed.