I believe its the sensory neuron and the the sense organ to the brain as the sense nerves in his hand would feel the pain and send that information to the brain so it can react
I believe that the cardiovascular system help in release of blood throughout the body :3
Answer:
South Korea is better because people believe that South Korea is more powerful even though the North has a stronger army.
While the North communist dictatorship the South offers its citizens far more freedom than the north does. (Fact: NK is one of the 5 communist countries in the world).
Lastly, South Korea is a safe place to visit and many people prefer it over the North.