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Pancreas
chyme
pancreatic juice chyme bile
pancreas
Alkaline pancreatic juices are secreted into the small intestine and neutralize the acidic chyme.
carbohydrates, protein, and fat in the chyme.
From this point, the chyme remains at a neutral or slightly alkaline pH.
Bicarbonate is the secretion that neutralizes stomach acid as chyme enters the small intestine. Bicarbonate is necessary because chyme is highly acidic. Bicarbonate is created in the pancreas.
The nutrients in the chyme would not be absorbed by the villi and your body would not get the nutrients.
the mouth adds saliva and that breacks down the food
The pancreas secretes sodium bicarbonate if it's healthy and working correctly
chemical digestions breaks the food apart