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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.
Posted on. (Answer #1). Breathing is the physical method of exchanging the gases in and out of the lungs or other breathing organs. For humans, breathing is one of the ways of acquiring oxygen from the outside environment and expelling carbon dioxide out of the system. This process includes inhalation and exhalation.osted on. (Answer #1). Breathing is the physical method of exchanging the gases in and out of the lungs or other breathing organs. For humans, breathing is one of the ways of acquiring oxygen from the outside environment and expelling carbon dioxide out of the system. This process includes inhalation and exhalation.