Question

which nutritional class builds and maintains cells and tissues?
fats
water
proteins
carbohydrates

Explanation:

Fats are mainly for energy storage and insulation. Water is essential for various bodily functions but not for building cells/tissues. Carbohydrates are a primary energy source. Proteins are made of amino acids and are crucial for building, repairing, and maintaining cells and tissues (e.g., muscle, enzymes, cell structures).

Answer:

C. proteins