InterviewSolution
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InterviewSolution
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How Does This Exchange Work? |
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Answer» With the help of the red blood cells in your bloodstream. Your red blood cells are like box CARS on train tracks. They show up at the sacs at just the right TIME, ready to trade in old carbon dioxide that your body's cells have made for some new oxygen you've just breathed in. In the process, these red blood cells TURN from purple to that beautiful red COLOR as they START carrying the oxygen to all the cells in your body. With the help of the red blood cells in your bloodstream. Your red blood cells are like box cars on train tracks. They show up at the sacs at just the right time, ready to trade in old carbon dioxide that your body's cells have made for some new oxygen you've just breathed in. In the process, these red blood cells turn from purple to that beautiful red color as they start carrying the oxygen to all the cells in your body. |
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