Skeletal System: , creates red blood cells, provides a hard shell to protect organs, provides structure for the body, works with the muscular system to move the body, ribcage, Muscular System: , provides heat for the body, muscles, provides a cushion to protect the body, works with the skeletal system to move the body, tendons, Digestive System: stomach, esophagus, mouth, intestines, provides nutrients for the body and removes waste, , Respiratory System: takes in oxygen and removes carbon dioxide, exchanges the gases in the body, nose, trachea, lungs, diaphragm, , Circulatory System: carries nutrients and oxygen through the body, blood, veins, arteries, also known as the cardiovascular system, heart, ,

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