Answer:
Gastric Phase
Explanation:
Background Knowledge:
For food digestion both the nervous system and endocrine system work in collaboration with each other. Purpose of this collaboration is to increase gastric secretion soon after food is eaten and to reduce secretion when the stomach empties.
Gastric activity:
Gastric activity related to eating can be divided into three stages called the 1) Cephalic phase: Stomach Digestion is being controlled by the brain
2) Gastric phase: Stomach Digestion is being controlled by itself
3) Intestinal phase: Stomach Digestion is being controlled by the small intestine.
Find information related to three phases in attachment, attached with this answer.
Answer of the question:
About 50 to 60 % of the digestive material including Bicarbonates and biles are secreted by Gastric phase