Question

what is the role of bacteria present in the small intestine?

Answer 1

Here is your answer :-

→  There are various molecule which hymns cannot breakdown or produce like vitamin k humans cannot produce , but a bacteria in our intestine does that for us

Molecules in greens like starch cannot be broken by our body very few bacteria in our intestine do that for us.

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Answer 2

The bacterial flora provide regulatory signals that enable the development and utility of the gut. Overgrowth of bacteria in the small intestine can lead to intestinal failure. In addition the large intestine contains the largest bacterial ecosystem in the human body.