C. Serving as a Shock absorber and cleaning agent
A because I know it because I have the same test and it was right
Answer:1.Oswald Avery. C.M.Maclead, and M.McCarty in 1944. 2.D.Watson and Francis H.C.Crick 3.Friedrich Miescher 4.Charles Yanofsky 5.Oswald Avery, Colin MacLeod and Macclyn McCarty 6.Erwin Chargaff.
Explanation:
All you need to look through the human body systems you had in the unit and explain how they make you living, rather than dead. What body systems do you have that make you a living human being.
1. Your Cardiovascular system. It keeps your body and cells supplied with oxygen so they can stay alive.
2. Your nervous system. It allows your body to take outside stimuli and allow your brain to process and react to it.
3. Your Digestive system. It allows you to extract the energy from other living things and use it to power your body.