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                                                                                            Review





          Write  true  (T)  or  false  (F)  as  appropriate.

           1  Teeth  grind  food.                           (      )

           2  We  must  have  lunch  at  6  pm.             (      )



           3  Food  enters  through  the  mouth.            (      )




           4  Color  the  parts  of  the  digestive  system.


                     Heart                           Mouth                          Lungs




                     Bones                           Veins
                                                                                     Esophagus




                     Stomach                         joints                         Small  intestine





                     Large  intestine                Year



          Complete  correctly.

           5  The _________________  it  is  in  charge  of  pumping  the  blood,  it  never  stops  working.


           6  We  must   _________________  to  take  care  of  our  circulatory  system

           7  The ________________  They  conduct  and  transmit  nerve  impulses.

           8  Relate
             Y  Stage  of  human  development               ÿ  Adulthood
             and  protects  the  brain                      ÿ  Skull
             and  maintains  a  family                      ÿ  Adolescence
             Y  Major  physical  and  emotional  changes    ÿ  Soap  and  water
             And  main  toiletries                          ÿ  Childhood



           8
                SCIENCE  AND  ENVIRONMENT                                                       1st  Grade
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