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Bitmap Image  |  1995-06-29  |  84.9 KB  |  490x365  |  8-bit (179 colors)  |  [TEXT/LMAN]
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   ocr: HUMAN BREATHING RESPIRATION to take place, the Foadys needs oxygen. Our respiratory Alveolus surfaces are the alveoli (tiny sacs) in our lungs. We breathe in and out SO that gaseous exchange can take place. When we breathe in, air passes into the alveoli, and from there oxygen moves into the blood to be pumpedaround the body. When we breathe out, we blood Capillary vessel) (small get rid ofcarbon dioxide, the waste product of respiration. Breathing Lung The alveoli give our lungs a buge respiratory surface.