Exhalation valves. She amused herself by varying the rhythm of her exhalations. The process of exhalation occurs due to an elastic recoil of the lung tissue which causes a decrease in volume, resulting in increased pressure in comparison to the atmosphere; thus, air rushes out of the airway. breathing out, breath, blowing out, expiration the quick exhalation of breath through the nostrils Definition of exhalation noun from the Oxford Advanced Learner's Dictionary. Exhalation (or expiration) is the flow of the breath out of an organism. You could hear every ragged exhalation. Pulmonary ventilation consists of the process of inspiration (or inhalation), where air enters the lungs, and expiration (or exhalation), where air leaves the lungs. Aug 3, 2023 · Exhalation or Expiration is a part of breathing where the air is drawn out of the lungs by the relaxation of respiratory muscles. Exhalation (or expiration) is the flow of the breath out of an organism. Aug 17, 2025 · Conversely, exhalation results in an increase in internal lung pressure above atmospheric pressure, pushing air out. Finally, the direction of airflow is distinct: air moves into the lungs during inhalation and out of the lungs during exhalation. Exhalation is also a vital physical process and is autonomous that occurs without concise or control. The scans produced an image of each patient's lungs after exhalation. I could hear her breathing next to me, and felt a faint exhalation. Each exhalation was visible in the cold air. In animals, it is the movement of air from the lungs out of the airways, to the external environment during breathing. an act of breathing out the air or smoke that is in your lungs; an amount of air or smoke that you breathe out. The meaning of EXHALATION is something exhaled or given off : emanation. Carbon dioxide is eliminated from the body during exhalation. Exhalation is the process of expelling air from the lungs, which is crucial for removing carbon dioxide from the body and maintaining the proper balance of gases in the blood. With a short exhalation, he prepared for the work ahead. exhalation noun 1. . okb gfj jha tou cgi qth mrl eez jzf vhr kjk sqw kts ufu jbx