Deep breathing allows the alveoli at the ends of the airways to open more completely. These tiny air sacs are responsible for exchanging oxygen and carbon dioxide. During shallow breathing, only a portion of the alveoli expand. Some remain partially collapsed, which reduces the amount of fresh air reaching them. Deep breathing increases the pressure inside the lungs and gently pushes open more alveoli. As the alveoli expand fully, their thin walls stretch and create a larger surface area for gas
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Deep breathing allows the alveoli at the ends of the airways to open more completely. These tiny air sacs are responsible for exchanging oxygen and carbon dioxide. During shallow breathing, only a portion of the alveoli expand. Some remain partially collapsed, which reduces the amount of fresh air reaching them. Deep breathing increases the pressure inside the lungs and gently pushes open more alveoli. As the alveoli expand fully, their thin walls stretch and create a larger surface area for gas
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