â¢ â¢ knee : â¢ Genu valgum Â· Genu varum Â· Genu recurvatum Â· Discoid meniscus Â· Congenital patellar dislocation Â· Congenital knee ... Pectus excavatum
pursed-lip breathing a breathing technique in which air is inhaled slowly through the nose and then exhaled slowly through pursed lips. This type of breathing is often used by patients with chronic obstructive pulmonary disease to prevent small airway collapse.
For other uses, see Breathing (disambiguation) . Breathing is the process that moves air in and out of the lungs, or oxygen through other respiratory organs such as gills. For organisms with lungs, breathing is also called ventilation, which includes both inhalation and exhalation.