Skeletal system - supports and protects the body, allows movement., Muscular system - Provides movement and flexibility., Cardiovascular system - Transport blood throughout the body, Respiratory system - Takes in oxygen and expels carbon dioxide., Digestive system - Breaks down food so that it can be used by the body., Nervous system - Sends, receives and interprets information., Circulatory system - Moves fluids throughout the body., Excretory system - Removes waste products from the body.,

Human Body System

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