it is triggered by the smell, taste, sight, or thought of food. parasympathetic impulses trigger gastric juice secretion.
The digestion process starts as soon as you put food into your mouth and begin to chew it.
A chemial change because during digestion carbohydrates are converted into simple sugar units,proteins into amino acids and so on, water and enzymes present in the body catalysed these reactions.
interdigestive, cephalic, gastric and intestinal
s phase
This phase is when the Brain prepares to absorb food, and the saliva production increases
cephalic phase
This phase is when the Brain prepares to absorb food, and the saliva production increases
Cephalic phase. It is due to:Smell and taste of foodThoughts of foodTactile sensations in mouth
During the gastric phase of gastric secretion, stimuli that are not important include the presence of food in the mouth and the sight or smell of food, which primarily activate the cephalic phase. Additionally, factors like emotional stress or anxiety, while they may influence overall digestion, do not play a direct role in stimulating gastric secretion during this phase. The gastric phase mainly relies on the distension of the stomach and the presence of peptides and amino acids in the stomach.
Gastrin, which is secreted by the enteroendocrine cells of the stomach. Gastrin stimulates the secretion of hydrochloric acid and pepsin; induces contraction of the lower oesophagus; mildly increases the motility of the GI tract; and relaxes the pyloric sphincter.
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The injury was cephalic.