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Oxygen movement from alveoli to capillaries. Google Classroom. About. Transcript. Watch as a molecule of oxygen makes its way from the alveoli (gas layer) through various liquid layers in order to end up in the blood. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Breathing is a vital process that allows our bodies to take in necessary oxygen and expel waste carbon dioxide. Air enters through the nose or mouth, journeys down the throat, and reaches the lungs via tubes called bronchi.
Inhaling and exhaling. Find out exactly why air goes in and out of the lungs. Discover how changes in lung volume affect air pressure, leading to the movement of air molecules in and out of the lungs. This process, crucial for respiration, is explained using a simple jar analogy.
16 de may. de 2019 · Our lungs allow us to inhale the oxygen our body needs, but they do much, much more. They also allow us to get rid of carbon dioxide, the waste product created in the body, and they play a...
9 de sept. de 2021 · During inhalation, the fresh oxygenated air flows into branching progressively smaller airways to ultimately inflate the alveoli (small membranous air sacs) and exchange O 2 for carbon dioxide (CO 2 ), a waste product of cellular energy production. CO 2 is expelled upon exhalation and the cycle begins anew.
1 de sept. de 2015 · The basic breathing rhythm and pattern is set through a number of interacting nuclei within the brain stem and pons (dorsal, pontine, and ventral respiratory groups) (for a review, see Ref. 22 ). Respiration is then coordinated through the various inputs impinging upon the respiratory controller.
