2 T
IL
Which of the following efforts is used in the enforcement of the Kyoto
Protocol?
O A. Using a carbon market
O B. Giving money to countries in need
O C. Monitoring the ozone hole
O D. Banning CFCS

The immune system works to keep germs out of the body and destroy any that get in. The immune system is made up of a complex network of cells and organs that protect the body from infection. Lymph nodes are part of the immune system. They release lymphocytes, a certain type of white blood cell that fights infection.