(Science: chest medicine, clinical sign) also referred to as the respiratory rate.
Measured as the number of breaths taken every minute. Normal resting adult respiratory rates are from 16-20 breaths per minute.
The normal 1 year old infant can have a respiratory rate of 30 breaths per minute. Count the breaths taken in 30 seconds observing the rise and fall of the chest and then multiply this number by 2.