Page 36 - 1. A&P respiratory review_Neat
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                  FACTORS                                                                   Protective reflexes





                  AFFECTING                                                                 c.      Emotional states, such as laughing,


                                                                                                    crying, sighing, and groaning, modify

                  RESPIRATION                                                                       respirationdue to connection between


                                                                                                    limbic system and resp. centers.
                  OTHER THAN                                                                d. Hiccups, occur when involuntary,





                  NEED FOR GAS                                                                      spasmodic contractions of the


                                                                                                    diaphragm occur, each causing rapid
                  EXCHANGE                                                                          intake of air.
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