Definition. Respiratory rate (also known as ventilation rate, respiration rate, breathing rate, pulmonary ventilation rate, breathing frequency, and respiratory frequency or Rf) = the number of breaths a person takes during one minute. It is usually measured at rest while sitting. Medical research ...
In fact, many illnesses are either caused or aggravated by poor indoor air quality. Some of the symptoms of poor humidity levels include, upper respiratory congestion, wheezing, fatigue, dizziness, and watery eyes. More severe health effects due to poor indoor air quality include: rashes, nausea...