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  2. Breathing - Wikipedia

    en.wikipedia.org/wiki/Breathing

    Real-time magnetic resonance imaging of the human thorax during breathing X-ray video of a female American alligator while breathing. Breathing (spiration [1] or ventilation) is the rhythmical process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly to flush out carbon dioxide and bring in oxygen.

  3. Conscious breathing - Wikipedia

    en.wikipedia.org/wiki/Conscious_breathing

    In tai chi, anaerobic exercise is combined with breathing exercises to strengthen the diaphragm muscles, improve posture and make better use of the body's qi. [1]In qigong, reverse breathing is a breathing technique which consists of contracting the abdomen and expanding the thoracic cage while breathing in through the nose and then gently compressing it while exhaling through the mouth, which ...

  4. Exhalation - Wikipedia

    en.wikipedia.org/wiki/Exhalation

    Exhalation (or expiration) is the flow of the breath out of an organism. In animals, it is the movement of air from the lungs out of the airways, to the external environment during breathing. This happens due to elastic properties of the lungs, as well as the internal intercostal muscles which lower the rib cage and decrease thoracic volume.

  5. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    Therefore, in order to breathe in the same amount of oxygen per minute, the person has to inhale a proportionately greater volume of air per minute at altitude than at sea level. This is achieved by breathing deeper and faster (i.e. hyperpnea) than at sea level (see below). Fig. 13 Aerial photo of Mount Everest from the south, behind Nuptse and ...

  6. Shallow breathing - Wikipedia

    en.wikipedia.org/wiki/Shallow_breathing

    Shallow breathing, thoracic breathing, costal breathing or chest breathing [1] is the drawing of minimal breath into the lungs, usually by drawing air into the chest area using the intercostal muscles rather than throughout the lungs via the diaphragm. Shallow breathing can result in or be symptomatic of rapid breathing and hypoventilation ...

  7. Lung - Wikipedia

    en.wikipedia.org/wiki/Lung

    The lungs are not capable of expanding to breathe on their own, and will only do so when there is an increase in the volume of the thoracic cavity. [71] This is achieved by the muscles of respiration , through the contraction of the diaphragm , and the intercostal muscles which pull the rib cage upwards as shown in the diagram. [ 72 ]

  8. Muscles of respiration - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_respiration

    Accessory muscles of respiration are muscles that assist, but do not play a primary role, in breathing. Use of these while at rest is often interpreted as a sign of respiratory distress . [ 3 ] There is no definitive list of accessory muscles, but the sternocleidomastoid and the scalenes (anterior, middle, and posterior) are typically included ...

  9. Inhalation - Wikipedia

    en.wikipedia.org/wiki/Inhalation

    Inhalation of air, as part of the cycle of breathing, is a vital process for all human life. The process is autonomic (though there are exceptions in some disease states) and does not need conscious control or effort. However, breathing can be consciously controlled or interrupted (within limits).

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