Choose your answer from:
(I) DNA
(II) food
(III) PDAs
(IV) fibers
(V) fats
(VI) copper
(VII) corn
(VIII) RNA

Fact 1: Protein is used to repair cells by the human body. Fact 2: Most foods contain protein. Given the two facts above, what is used to repair cells in the human body?
Answer:
(II)