9781422276112

Understanding Body Systems.......................... 6 Respiratory System.....................................11 Digestive System........................................16 Why Digestion Matters.................................19 Muscular System. .......................................22 Muscles and Movement. ...............................26 Urinary System..........................................29 Endocrine System.......................................34 Skeletal System. ........................................37 Musculoskeletal System. ..............................40 Reproductive System. .................................43 Nervous System. ........................................46 Circulatory System. ....................................51 Immune System. ........................................56 Body Defenses...........................................59 Lymphatic System. .....................................62 Integumentary System.................................66 Fascinating Facts About Body Systems..............70 Text-Dependent Questions. ..........................74 Research Projects. .....................................76 Further Reading.........................................77 Internet Resources. ....................................77 Index......................................................78

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