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70



                                                             5



                                            8   ! #	$Y_	"O: ;


                                       (Insect Operation Technique)





                                                     6


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                   5.1  $I  %_ % 	M	$:;I$I    t_	%   : ;  (The digestive and
                   excretory systems of insects)

                        5.1.1   BL†  (Theory)

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                                              /


                                                                                           6
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                                                     ,

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                                              )
                       1  	 * ('     	
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                            6
                                                     6

                                                                                6
                            1 5! !       (foregut      stomodeum)  '          1 5! !   
    (midgut

                       mesenteron      ventriculus)     '          1 5! !     	  (hindgut
                      6

                                                                        6
                                                                                                     6
                                         6
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