A 40-year-old member asked:
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can you tell me how your digestive system work?

1 doctor answer
Dr. Herman Hammerstead
A Verified Doctor answered
A US doctor answered Learn more
It doesn't: Your kidneys and lungs control your blood pH (homeostasis) by regulating HCO3 and CO2 to keep your blood pH at 7.43.
Answered on Jan 25, 2016

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Not in 400 char!: Basically, what goes in must come out. There are good online references from reputable sources: look at AMA, ASGE, ASCRS.
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