Mulitple Choice Questions

Which of the following are affected by AIDS?

  1. Blood circulatory system
  2. Nervous system
  3. Immune system
  4. respiratory System
    1. 1, 2 and 3
    2. 2, 3 and 4
    3. 1, 2 and 4
    4. 1, 3 and 4



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