Respiratory System - helps you breathe, Circulatory System - moves blood through your body, Muscular System - helps move your bones, Skeletal System - protects, supports, and gives your body shape, Nervous System - controls thoughts, feelings, and actions, Digestive System - breaks down food into energy, Excretory System - gets rid of waste and extra water from inside the body, Body Systems - work together to keep you alive,

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