Matching Pairs VITAL FUNCTIONS AND BODY SYSTEMSOnline version MATCH THE WORDS AND THEIR DEFINITIONS by Andrea Nache García 1 2 3 4 5 6 7 8 9 10 is how living things detects changes in their environment and react to them. helps you to relate to your environment, it regulates the functions of the body through nervous impulses. how living things have offspring (babies). how living things feed. extracts oxygen from the air transports oxygen and nutrients through the body. supports the body and protects the organs. allows us to move. eliminates waste transforms the food intro nutrients and energy.