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Our alimentary canal contains lots of bacteria. Most of these are found in the small intestine and large intestine.

Can you a give a few reasons why is it a good thing to have bacteria in our digestive system.

Thank you.

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closed as off-topic by anongoodnurse, canadianer, mgkrebbs, another 'Homo sapien', Tyto alba Apr 9 '17 at 11:01

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Homework questions are off-topic on Biology unless you have shown your attempt at an answer. For more information see our homework policy." – anongoodnurse, canadianer, mgkrebbs, another 'Homo sapien', Tyto alba
If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ Is this a homework question? If yes - homework questions are warmly welcomed, barred OP shows prior efforts to answer them. Have a look at our homework policy in the help center. If not, we generally still expect users to give a question at least a shot on their own. For example, What are your thoughts on the subject? Which reasons can you think of? $\endgroup$ – AliceD Apr 8 '17 at 18:59

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