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SECOND GRADE HUMAN BIOLOGY

Math/Science Nucleus ©1990,2000 2 LIFE CYCLE OVERVIEW OF SECOND GRADE ORGANISMS WEEK 1. ... Child goes into the 5th grade about 10 years old, graduates high school around 17-18, begins working around 18-20, retires around 60-65 and dies around 65-100. Math/Science Nucleus ©1990,2000 5 Baby with diaper Baby walks Baby talks