Chemical digestion and mechanical digestion are needed for the breakdown of food into
molecules able to be absorbed into the bloodstream. Which of the following statements
correctly identifies an example of chemical digestion?

A) pancreatic lipase mixing with chyme that is now in the duodenum.
B) the esophagus secreting mucus to mix with the bolus from the mouth
C) the stomach muscles churning and mixing food in a continuous motion
D) peristalsis