44. What are the main
functions of the bacterial flora
within the human gut?

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Bacteria that live the gut have
importance in digestion.
polysaccharides like cellulose,
and pectin are
digested by the enzymes
secreted by body, instead, they
broken by enzymes by bacteria
of gastrointestinal tract. The
bacterial flora also vital
substances for functioning of the
facilitating or blocking
absorption of nutrients stimulating
or reducing . Some gut
bacteria the main source vitamin
K for body and so are essential
for blood clotting process.

the intestinal flora are utile but
potentially harmful bacteria. is
estimated that than 100 trillion
live in a gut. Some
bacteria useful too because
compete with other preventing
excessive proliferation these bacteria.