What is it?
The respiratory rate is the number of breathing cycles per minute. A cycle is characterized by an inhalation followed by an exhalation.
A cycle is characterized by an inhalation followed by an exhalation. Human respiratory rate fluctuates throughout growth and decreases over time. Furthermore, it can change based on factors such as physical activity or stress.
Few numbers
Normal respiratory rate by age
For an healthy adult, the ventilation tidal volume (VT), meaning the volume of air that enters and leaves during a regular breathing, is around 400 to 500 ml.
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