Skeletal System: , rib cage, spine, skull, provides structure for the body and protects organs, Muscular System: , tendons and muscles, main function is to help the body move, Digestive System: esophagus, stomach, intestines, breaks down food, , Respiratory System: takes in oxygen and removes carbon dioxide, trachea and lungs, , Circulatory System: carries nutrients and oxygen through the body, heart, blood, arteries, and veins, , Nervous System: controls all other body systems, , brain, spinal cord, and nerves,

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