Homework Help: biology

Posted by lila on Wednesday, February 3, 2010 at 4:17pm.

what causes the PH to change as the food moves from the stomach to the small intestine

biology - PsyDAG, Wednesday, February 3, 2010 at 4:32pm
Acid in the stomach?
biology - Anonymous, Thursday, February 4, 2010 at 1:07am
Duodenal glands secrete mucus that contains buffers, and water also enters and mixes with the chyme.

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