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Bookmark or Share- 22.3 The Process of Breathing – Anatomy & PhysiologyInspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and the lungs. In a gas, pressure is a force created by the movement of gas molecules that are confined.
- Respiratory System: Functions and Organs - WebMDInhalation and exhalation are how your body brings in oxygen and gets rid of carbon dioxide. The process gets help from a large dome-shaped muscle under your lungs called the diaphragm.
- Human respiratory system - Mechanics, Lungs, AirwaysOverview of the mechanics of the lungs and rib and diaphragm muscles involved in human respiration. Alveolar pressure fluctuations are caused by expansion and contraction of the lungs resulting from tensing and relaxing of the muscles of the chest and abdomen. Each small increment of expansion transiently increases the space enclosing lung air.
- Inhaling and exhaling (video) | Khan AcademyAt the end of exhalation the alveolar pressure within the lungs is equal to the atmospheric pressure (the pressure that the atmosphere exerts at the nose/mouth. When a person inhales, their diaphragm contracts along with their external intercostal muscles.
- 8.4: The Process of Breathing - Biology LibreTextsInspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and the lungs. In a gas, pressure is a force created by the movement of gas molecules that are confined.
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