Questions tagged [stomach]

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Do humans produce rennin?

At school, we've been taught that human infants produce rennin/chymosin (which aids in the digestion of milk). More specifically, it is the peptic cells in the stomach which secrete prorennin, the ...
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What is the function of E. coli bacteria in the human gut?

What is the function of the bacterium, E. coli, in the human gut? I have tried to find the answer by searching the Internet (e.g. here), but have been unsuccesful.