Page 24 - 1. A&P respiratory review_Neat
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                                                                                      • Air entering the lungs contains more oxygen


                                                                                          and less carbon dioxide than the blood that


                                                                                          flows in the pulmonary capillaries.



                                                                                      • How do these differences in concentrations

                                                                                          assist gas exchange?




                  Gas






                  exchange
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