normal respiratory rate is 60-72bts/mts
The normal respiratory rate for a twelve-year-old is between 18-30 breaths per minute.
The difference between normal and average respiratory rate is simple. Normal is healthy and cannot change and average most certainly can change.
Tachypnea. (and below normal is bradypnea).
The normal respiratory rate for dogs is 16 to 20 breaths per minute.