Answer the following question given this paragraph: Enzymes are critical to the body's healthy functioning. They assist, for example, with the breakdown of food and its conversion to energy. In fact, most of the chemical reactions in the body are facilitated by enzymes. Q: Most of the chemical reactions in the body are facilitated by what? A:

Possible answers: -proteins -vitamins -carbohydrates -enzymes
The answer is:
enzymes