how do we breath with picture
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Breathing is the process that moves air in and out of the lungs or oxygen through otherbreathing organs such as gills. For humans with lungs, for fish with gills...
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When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.
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