proteins, carbohydrates, and fats are used to fuel the cells of the body.
(proteins, carbohydrates, and fats; are used; to fuel the cells of the body) (proteins, carbohydrates, and fats; to fuel; the cells of the body)
proteins, carbohydrates, and fats proteins, carbohydrates, and fats
are used to fuel
to fuel the cells of the body
the cells of the body