Skeletal System: , bones, provides a hard shell to protect internal organs, provides structure for the body, works with the muscular system to move the body, produces blood cells, tendons, ligaments, cartilage, stores nutrients until your body needs them, Muscular System: , works with the skeletal system to move the body, muscles, voluntary & involuntary, helps to circulate blood, helps to move food through the digestive system, Digestive System: stomach, esophagus, mouth, intestines, provides nutrients for the body and removes solid waste, , breaks down food into smaller pieces, Respiratory System: takes in oxygen and removes carbon dioxide, exchanges the gases in the body, nose & mouth, trachea, lungs & diaphragm, , inhale & exhale, Circulatory System: carries blood, nutrients & oxygen through the body, blood, veins & arteries (vessels), also known as the cardiovascular system, heart, , Nervous System: controls all body systems, , brain, spinal cord, nerves, sends & receives messages throughout body,

Human Body Systems: Major Functions & Parts

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