In the mammalian respiratory system, eupnea is normal, good, unlabored breathing, sometimes known as quiet breathing or resting respiratory rate. In eupnea, expiration employs only the elastic recoil of the lungs. Eupnea is the natural breathing in all mammals, including humans.

What does the term eupnea mean?

Medical Definition of eupnea

: normal respiration — compare dyspnea.

What is eupnea What is the normal value?

An average breathing pattern is 12 breaths per minute and 500 mL per breath. Eupnea is normal breathing at rest. There are types of altered breathing patterns that are symptoms of many diseases.