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