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