Digestion
Where can the intestines get the help they need for this big job? From the accessory digestive organs.
To make these organs help, the intestines secrete some more hormones.
SECRETIN stimulates the pancreas to release bicarbonate, an antactid. The bicarbonate will neutralize the stomach acids before they can eat holes in the small intestines.
CHOLECYSTOKININ will stimulate the gall bladder to contract and squirt bile into the small intestines, to help with fat digestion. It will also stimulate the pancreas to release digestive enzymes into the small intestines.
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