OPTIONS: i. treatment; ii. fever; iii. bacteria; iv. intense drugs; v. Energy.; vi. magic potions; vii. the cure; viii. Energy;
Q: Fact 1: Immunodeficiency occurs when the immune system is not working properly. Fact 2: Treatments are available for many immunodeficiencies. Given the two facts above, what is available when the immune system is not working properly?
A:
i.