Matching Pairs ORGAN SYSTEMSOnline version Label the function and the organ systems by Isabel Parejo 1 2 3 4 5 CENTRAL NERVOUS SYSTEM 6 PERIPHERAL NERVOUS SYSTEM 7 8 EXCRETORY SYSTEM 9 10 Takes the oxygen we need from the air and expels the carbon dioxide glandular response External stimulus cleans the blood of waste products Transports blood all over the body Is made up of sensory and motor nerves internal stimulus motor response is made up of the encephalon and the spinal cord Transforms food into simpler substances that your body can use.