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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.
Breathing and Respiration. Many people confuse the terms Breathing and Respiration and often breathing is referred to as respiration, but this is incorrect.So to be clear: Breathing is the process of getting oxygen into the lungs and carbon dioxide out of the lungs.It allows for gas exchange to take place so that oxygen can be absorbed from the lungs into the blood and carbon dioxide is removed from the blood and breathed out from the lungs.any people confuse the terms Breathing and Respiration and often breathing is referred to as respiration, but this is incorrect.