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| carries needed materials to the body cells; carries wastes away from body cells; helps fight disease |
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| takes food into the body, breaks food down, and absorbs the digested materials |
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| controls many body processes-such as intake of sugar by celles-by means of chemicals |
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| enables the body to move; moves food through the digestive system; keeps the heart beating |
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| detects and interprets information from the enviroments outside the body and within the body; controls most body functions |
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| produces sex cells that can unite with other sex cells to create offspring; controls male and female characteristics |
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| takes oxygen into the body and eliminates carbon dioxide |
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| supports the body, protects it, and works with muscles to allow movement; makes blood cells and stores some materials |
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| protects the body, keeps water inside the body, and helps regulate body temperature |
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