4. Why is most food digested? A. Digestive enzymes require a variety of substrates. B. It ensures that the diet is balanced. C. Most ingested food molecules are large. D. To prevent disorders of the intestine.
Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body.
