13 Pepsin is a protein which is produced in the stomach and is one of the main digestive enzymes found in
many animals. This enzyme breaks down proteins found in food into smaller peptides. Chymotrypsin and
trypsin are also enzymes and play a similar role as pepsin in the digestive system. What is the primary
role of all digestive enzymes?
A) Increase the amount of energy needed to digest food
B) Ensure that waste products are quickly removed
C) Speed up chemical reactions involved in nutrient breakdown
D) Fight off any pathogens found in the body