how the process of breathing is brought about
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Breathing is nothing but inhalation of oxygen rich air and inhalation of co2 rich air . the inhalation is stimulated by our brain when co2 reach our brain to conduct a nerve impluse to inhale air .
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Breathing is only part of the process of bringing oxygen to where it is needed in the body. ... The oxygen molecules move, by diffusion, out of the capillaries and into the body cells. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries.
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