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skeletal system

works with muscles to allow movement, supports and shapes body and protects major organs. also, makes blood cells and stores minerals

muscular system

enables body to move; allows heart to pump to circulate blood and moves food through the digestive system

circulatory system

carries needed materials (food and oxygen) to body cells, carries wastes away from body cells; helps fight disease and infections

respiratory system

takes oxygen into the body and removes carbon dioxide

digestive system

takes in food, breaks it down (digestion) and absorbs needed nutrients

nervous system

controls most body functions, including sense by carrying information between the brain and body

reproductive system

produces sex ells and hormones that control male and female characteristics; produces offspring

endocrine system

controls and regulates many body processes with chemicals (hormones)... growth, development, metabolism

excretory system

removes waste products from the body... urine, feces, carbon dioxide, sweat, bile, worn out cells

immune system

fights disease and infection

epithelial (Integumentary) system

protects the body, keeps water inside and helps regulate body temperature

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