Is associated with food stretching the stomach and activating myenteric and vagovagal reflexes, which in turn stimulate gastric secretions.
a. the cephalic phase
b. the gastric phase
c. the intestinal phase
d. the gastrointestinal phase

The correct option is B. The gastric phase

Explanation:

Digestion : the process of breakdown of complex molecules of food into simpler molecules which can be easily absorbed into the blood plasma.

The different phases of digestion are: the cephalic phase, gastric phase, and intestinal phase.

The gastric phase of digestion is associated with stretching of stomach in the presence of food, decrease in pH, activation of the myenteric and vagovagal reflexes, which in turn stimulate gastric secretions.