which substance helps the most in the digestion of food?\no enzymes\no chyme\no viruses\no hormones

Brief Explanations:

Enzymes are biological catalysts that break down food into smaller, absorbable molecules. Chyme is the semi - fluid mass of partly digested food. Viruses are infectious agents and not involved in digestion. Hormones regulate bodily functions but not directly in digestion like enzymes.

Answer:

enzymes